PHILATELIC
SIXTH INTERNATIONAL PHILATELIC EXHIBITION, WASHINGTON D.C. 1966
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Thalatelic attrtin
WashingtrnDC 2008
FIRST DAY OF ISSUE
66
WASHINGTOND
DC.
MAYOSAG
23
1966 O
DISCOVER AMERICA
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SIPEX
Futlay Cover
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renee
POSTMASTER GENERAL OF THE UNITED STATES
1966
Art Craft AUTHORIZED BY SIXTH INTERNATIONAL PHILATELIC EXHIBITION
EXHIBITION
HIXIS
NTERNATIONA