Professional Stamp Experts

Cert Verification


	No. 01206855	08/26/2009

	*Professional Stamp Experts*
	P.O. Box 539309, Henderson, NV 89053-9309

Expert Committee

We have examined the enclosed item submitted to PSE,
and are of the opinion that:

Cat #

Issue

Denom.

Color

USA#C15

1930

$2.60

Blue

GRADE: Ungraded, Used

"it is a genuine usage of a full set of Scott Nos. C13, C14 and C15 on a round trip Graf Zeppelin Europe / Pan - American flight cover, tied by New York Apr 30, 1930 duplex cancels - the cover with all of the appropriate flight cachets and backstamps."

THIS CERTIFICATE IS PRINTED ON WATERMARKED PAPER AND IS NOT VALID WITHOUT WATERMARK

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