Professional Stamp Experts

Expert Committee

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

Cat #

Issue

Denom.

Color

USA#E13a

1928

15c

deep orange

GRADE: Ungraded, Mint OGnh

"it is a genuine unused, o.g., never hinged, bottom margin Plate No. 16836 block of six on special booklet paper, with light gum bends."

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

Enter a Cert Number and click the Verify Certification button.

Cert Number:
Not a valid cert number. Please enter a Cert Number!