Parade of Postal Progress - The Stawecki Book |
Dummy Stamps Intro (click here) | Stampsjoann (click here) |
Page 6 has a mint example of the purple dummy coil and an envelope with a canceled example. Note the mis-perforation on the envelope coil. Most, if not all, of the purple dummy coils used on cover during the Exhibition are mis-perfed. |
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Dummy Stamps Intro (click here) | Stampsjoann (click here) |