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Need Help With Unusual Perforations

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Valued Member
United States
63 Posts
Posted 05/25/2023   3:35 pm  Show Profile Bookmark this topic Add Stampdoc to your friends list Get a Link to this Message
I acquired this poster stamp/cinderella recently. It's from the European Air Race of 1911.

It is listed in the Gardiner/Greiczek catalog as arc roulette. No mention of colored. G&G also list a second type where the rouletting/perforations are printed but not cut (false arc roulette)

It is listed in the Silombra catalog as "serration printed 11 and not cut" (Google translate), but the picture next to it shows a perforated stamp. It doesn't list a second type.

I have seen roulette in color before, but this stamp doesn't look like the arc roulette pictured in my "Fundamentals of Philately" by Williams. That indicates that it should be a series of scallops with sharp almost triangular points in between. These look more like flat perf tips. And they do measure out as perf 11. But I've never heard of "perf in color". Can anybody out there tell me what I'm looking at?

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Valued Member
6 Posts
Posted 06/16/2023   10:36 pm  Show Profile Bookmark this reply Add Lisa123 to your friends list  Get a Link to this Reply
The catalog lists your stamp as an arc roulette, indicating that the perforations or rouletting are in an arc pattern. However, it doesn't mention whether the stamp is colored or not. It also references a second type with printed but uncut rouletting, known as false arc roulette.
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