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| APS Affiliate #103 |
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| ATA Chapter #94 |
| Click here for a printer friendly version of this essay. |
69. Private perforations: In the era of imperforate stamps, people sometimes used oddly punched holes, sawing machine holes or rudimentary roulettes to ease separation. Most have significant value. Before government-issued coil stamps were widely used, vending and affixing machine manufacturers purchased imperforate sheets of stamps from the Post Office Department and applied their own methods for separating stamps. They used holes, slots or slits between the stamps. Private perforations are very desirable items on cover, in vending booklets and as mint strips.
Type 69: Schermack Type III slots were used in coil dispensing machines in the early days of coil production (Scott 408).
Type 69: Mact-O-Meter Type II slots used on Scott 371.
Type 69: Brinkerhoff Type I slots used on Scott 320.
Type 69: These are so-called "Wilson Roulettes". Click here for additional information on "Wilson Roulettes".
Type 69: Scott 9, design type II, position 84R3, with rough sewing machine perforations unofficially added (pictured at 400% of original size)..
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