Most are common. In the 2nd scan you have an interesting miscut error.
In the 3rd scan you have a #483 Mailometer type IV. They are uncommon and a used single stamp has a catalog value of $225. Your stamp only shows holes on 1 side and they are cut slightly into the stamp design. Probably worth 10% of catalog value if you were to sell it.
Congratulations ! Nice start for a Vending & Affixing machine collection. A very interesting book to check out would be, Guide To United States Vending and Affixing Machine Perforations 1907 - 1927 by Belasco.
Perhaps a library in your area would have it available. This would greatly expand your interest in this area.
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Posted 08/14/2017 1:25 pm
