Professional Stamp Experts

Cert Verification


	No. 01404077	12/16/2021

	*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#509

1917

Salmon red

GRADE: F-VF 75, Mint OGnh

"it is genuine unused, o.g., never hinged, top margin Plate No. F12570 block of six, the top right stamp with a perf disc indent and a natural paper inclusion."

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

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