By

Dayton Stamp Club Hamvention, Xenia, Ohio — 2018-05-18

Postmark date:
2018-05-18

You have until:
2018-07-17
to mail

Write to:
Pictorial Postmarks
2018 Dayton Hamvention Station
Postmaster
PO Box 9998
Dayton, OH  45390-9998

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