John Hotchner's Linn's columns: EFO Corner and U.S. Notes

The EFOCC is pleased to present here a series of articles authored by John Hotchner which appeared in Linn's during the years from 1978 through 2007.
We thank John Hotchner and Linn's for permission to present these articles here.

Linn's Issue Date	Title	Date Added This to Website
March 6, 1978	Understanding Application Not So Easy	December 19, 2011
March 27, 1978	Comparison Aids in Detecting Errors	December 19, 2011
May 1, 1978	Discoveries Add Pleasure to Philately	December 20, 2011
May 22, 1978	Questions Fall Into Three Categories	December 20, 2011
June 19, 1978	Comparison Aids in Detecting Errors	December 21, 2011
July 17, 1978	Stamp Proves Oil, Water Don't Mix	December 21, 2011
August 14, 1978	Search for Genuine Errors Challenging	December 21, 2011
September 18, 1978	Transfer Classified As Plate Variety	December 21, 2011
October 15, 1978	Readers Report Interesting Discoveries	December 21, 2011
November 13, 1978	Misregistration Common Occurrence	December 21, 2011
December 11, 1978	Progressive Blob Strikes Stationery	December 21, 2011
January 8, 1979	Sharp Eyes Detect Booklet Pane Varieties	December 21, 2011
February 5, 1979	Tips on Dealing With Auction Houses	December 21, 2011
March 5, 1979	Oddities Show Diversity of Specialty	January 26, 2012
April 2, 1979	Catalogs Guide for Pricing Varieties	January 26, 2012
April 30, 1979	Plate Varieties Encyclopedia Available	January 26, 2012
May 28, 1979	Brett Gives Opinion on Coil Discrepancy	January 26, 2012
June 25, 1979	Flag Coil Freak Baffles BEP Personnel	January 26, 2012
July 23, 1979	Bureau Explains Missing Color Error	January 26, 2012
August 20, 1979	Pitfalls in Determining Stamp Values	January 29, 2012
September 17, 1979	Perils of a Hand-Operated Perforator	January 29, 2012
October 15, 1979	Imperforate Stamp Raises Questions	January 29, 2012
November 12, 1979	Official Gives Theory On Perf Variety	January 30, 2012
January 7, 1980	Proof That Sharp Eye Can Find Winner	January 30, 2012
February 4, 1980	'Ghost' Impressions Frequent Subject	January 31, 2012
March 3, 1980	Contest Seeks Favorite Collecting Area	January 31, 2012
March 31, 1980	Non-Bureau Precancels Draw Questions	February 20, 2012
April 28, 1980	Bird Disappears in Learning Process	February 20, 2012
May 26, 1980	Misplaced Vignettes Win Essay Contest	February 20, 2012
June 23, 1980	Vending Machine Creates 'Crack' Error	February 20, 2012
July 21, 1980	Perf Mystery Clears on Canada Admiral	February 21, 2012
August 18, 1980	Reader Explains Phantom Plate Number	February 21, 2012
September 15, 1980	Bicolor Error Unique in BNA Issues	February 21, 2012
October 13, 1980	Two Perf Methods Make Gauge Change	February 26, 2012
November 10, 1980	Today's Mistakes Need Wary Buying	February 26, 2012
December 8, 1980	Christmas Seals Veritable Gold Mine	February 26, 2012
January 5, 1981	Misperfed Windmills Pose Many 'Ifs'	May 20, 2012
February 2, 1981	Thumbprint Repeats Stamp Design	May 20, 2012
March 2, 1981	Double Image Likely Printer's Waste	May 20, 2012
March 30, 1981	'Red Tape' Invades BEP Printings	May 20, 2012
April 27, 1981	Christmas Errors Draw High Interest	May 20, 2012
May 25, 1981	Be Wary Of Imperforate Singles Offer	May 20, 2012
June 22, 1981	Blanket Offset Causes Doubling	May 20, 2012
July 1, 1981	'Alphabet' Stamps Contain Major Flaws	May 21, 2012
August 17, 1981	Specialized Area Clubs Helpful	May 21, 2012
September 14, 1981	Space Misperfs Unusually Plentiful	May 21, 2012
October 12, 1981	Foreign Particles Produce Blank Spot	May 28, 2012
November 9, 1981	Partial Double Perf Mystery Deepens	May 28, 2012
December 7, 1981	Washington Missing From Proprietary	May 28, 2012
January 4, 1982	Postmarks Can Tell The Story - Wrong	May 28, 2012
February 1, 1982	Splice Creates Unusual Postal Card	May 28, 2012
March 1, 1982	Double Headed McDonald Surfaces	May 28, 2012
March 29, 1982	Salem Precancel Appears Scrunched	May 28, 2012
April 26, 1982	Collectors Find Peculiar Postmarks	June 10, 2012
May 24, 1982	Repair Problems Cause Missing Perfs	June 10, 2012
June 21, 1982	Upside Down Year Date Challenges	June 10, 2012
July 19, 1982	Man Made Varieties Trick The Unwary	June 12, 2012
August 16, 1982	Roller Adjustment Creates Strange Effect	June 12, 2012
September 13, 1982	Americana Gum Picture Getting Confusing	June 12, 2012
October 11, 1982	Why USPS Destroys Good Collectibles	June 17, 2012
November 8, 1982	Beware - Man-Made Philatelic Items Often Sell As Errors At High Prices	June 17, 2012
December 6, 1982	BEP Solves Case Of Missing Harvester	June 17, 2012
January 3, 1983	Lindbergh Misperf Presents Rare Treat	November 25, 2012
January 31, 1983	BEP Representatives Offer Explanations	November 25, 2012
February 28, 1983	Belize Missing Silver Bar Overprint Found	November 25, 2012
March 28, 1983	Mulready Sheet Crease May Be Oldest	November 25, 2012
April 25, 1983	Missing Ink Leaves Ebbing Sea	November 25, 2012
May 23, 1983	Error Oddity Collecting Nothing New	November 25, 2012
June 20, 1983	EFO Collectors Need Further Information	November 25, 2012
July 18, 1983	Five Principles Underlie EFO Investing	November 30, 2012
August 15, 1983	EFO Album Page Contest Announced	November 30, 2012
September 12, 1983	What Appears To Be Invert Is Not	November 30, 2012
October 10, 1983	Split Inverted Impression Puzzling	November 30, 2012
November 14, 1983	Good Eyes Necessary For Flyspeck Hunting	November 30, 2012
December 5, 1983	Scott Publishes New EFO Album	November 30, 2012
January 2, 1984	Readers Explain Puerto Rican Maculatura	December 1, 2012
January 30, 1984	EFO Exhibiting Presents Special Challenge	December 1, 2012
February 27, 1984	Perf Imperf Frauds Abound In EFO Field	December 1, 2012
March 26, 1984	Creative Fakery Abounds in U.S. Philately	December 1, 2012
April 23, 1984	Overrun Countries Stamps Show Varieties	December 1, 2012
May 21, 1984	New White Book Helps Collectors	December 1, 2012
June 18, 1984	Two New Clubs Interest EFO Collectors	December 1, 2012
July 16, 1984	Collector Seeks unusual Postage Due Usages	December 5, 2012
August 13, 1984	Winners of Favorite Design Misperf Entries	December 5, 2012
September 10, 1984	Formerly Researched Items Can Yield Finds	December 5, 2012
October 8, 1984	Real Story Behind Booklet Freak Discovery	December 5, 2012
November 12, 1984	Some Favorite 'Beat The Post Office' Items	December 5, 2012
December 10, 1984	Mystery of the Circled Dot Oddity	December 5, 2012
January 14, 1985	Peruvian 'Error' Stamp Made Deliberately	December 5, 2012
February 11, 1985	Galvez Varieties Make Interesting Study	December 5, 2012
March 11, 1985	More Varieties on Flag Over Supreme Court	December 5, 2012
April 8, 1985	Presidential Issue Could Have Been Different	December 5, 2012
May 13, 1985	Overprint Varieties From Around The World	December 5, 2012
June 10, 1985	Same Causes Produce Freaks and Errors	December 5, 2012
July 8, 1985	Blanket Roller Offset a Spectacular Freak	December 5, 2012
August 12, 1985	More Missing D's; Precancel Varieties	December 5, 2012
September 9, 1985	Some 'Freaks' And 'Errors' Made To Order	December 6, 2012
October 14, 1985	New Type Guttersnipe Found on 22¢ Audubon	December 6, 2012
November 11, 1985	Color Shifts, Printing Varieties, Pre-FDC	December 6, 2012
December 9, 1985	Haste Can Waste Money in Buying Errors	December 6, 2012
January 13, 1986	Marginal Markings And Puzzling Perf Pins	December 6, 2012
February 10, 1986	Plate Numbers Worth Looking at Carefully	December 6, 2012
March 10, 1986	Not All EFOs Are What They Appear To Be	December 6, 2012
April 14, 1986	Literature Essential To EFO Collectors	December 6, 2012
May 12, 1986	Exporta Issue Fertile Ground For EFOs	December 6, 2012
June 9, 1986	Counterfeit Stamps Found In Unusual Places	December 6, 2012
July 14, 1986	Web Tear Created Wright Misperforation	December 6, 2012
August 11, 1986	Auto-Flag Splice Found in Schiff Auction	December 6, 2012
September 8, 1986	Datz Book Essential For Error Collectors	December 6, 2012
October 13, 1986	Moths, Atom Bombs and Double Perforations	December 6, 2012
November 10, 1986	Volume V Of Color Encyclopedia Sold Out	December 6, 2012
November 10, 1986	Volume V Of Color Encyclopedia Sold Out	December 6, 2012
June 29, 1987	Triple-perfed Flag coil may be unique	March 12, 2018
February 17, 1992	Incomplete painting made whole on stamp	December 7, 2021
March 6, 2006	Two-tailed cat a result of misaligned inks on 8¢ Mail Order Stamp	March 30, 2018
September 11, 2006	Few errors, freaks slip through high level of quality control for U.S. stamps	March 30, 2018
December 11, 2006	Christmas seals founder Emily Bissell honored on club souvenir sheet	March 30, 2018
January 15, 2007	Stamp dealer cover bears Hawaii stamp with misregistered overprint	March 30, 2018
January 22, 2007	Only two miscut 18¢ Declaration of Independence souvenir sheets known	March 30, 2018
February 12, 2007	Printer's Waste	March 30, 2018
May 28, 2007	Few covers bear Eaton Paper Corp.'s 1939 engraved New York City labels	March 30, 2018
July 2, 2007	Toy stamps similar to Presidential stamps of 1938 include misperforations	March 30, 2018
July 9, 2007	Plate Flaws: crack on 15¢ Holmes, tension chock mark on 5¢ Washington	March 30, 2018
September 10, 2007	Triple comb perforations on 29¢ Wildflowers pane of 1992	March 30, 2018
September 24, 2007	Ink can migrate in chicks pictureds on 1957 3¢ Wildlife Conservation stamp	March 30, 2018
December 24, 2007	1930 Santa seal	March 30, 2018
January 14, 2008	Misplaced stars on 13¢ Tennessee Flag stamp to be fixed in 2010	December 7, 2021
January 28, 2008	Color differences make two 1918 $2 Benjamin Franklin stamps	December 7, 2021
March 17, 2008	Block of 1¢ Washington stamps, 11 wide, precanceled 10 wide	December 7, 2021
April 28, 2008	Two black inks used on 11¢ Electronics Progress airmail stamp	December 7, 2021
June 9, 2008	Dark green versus olive green on $2 Kerosene Table Lamp stamp	December 7, 2021
July 28, 2008	Korean counterfeits of U.S. Liberty series stamps of the 1950s	December 7, 2021
September 22, 2008	Cinderella college stamps used by business schools in early 1900s	December 7, 2021
October 13, 2008	Promotional advertisement applied to first U.S. hologram envelope	December 7, 2021
November 10, 2008	Gripper crack found on miscut 1¢ Washington Liberty series coil	December 7, 2021
November 24, 2008	There are reasons behind subject selection, production varieties	December 7, 2021
February 16, 2009	Bicolor Red Cross stamp offers abundant collecting opportunities	April 16, 2023
May 11, 2009	Misperforated, double-transfer George Washington stamp on cover	April 16, 2023
December 7, 2009	Examples and uses of 1927 U.S. Christmas seal printer's waste	December 5, 2021
January 6, 2014	U.S. Christmas Seal printer's waste from 1927 put to creative use	December 5, 2021

John M. Hotchner

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