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#K11a

1919

24c on 12c

Claret brown

GRADE: Ungraded, Mint OGh

"it is a genuine unused, o.g., hinged, bottom margin Plate No. 10624 block of six (the bottom center hinged, others never hinged)."

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!