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#K1

1919

2c on 1c

Green

GRADE: Ungraded, Mint OGnh

"it is a genuine unused, o.g., never hinged, botom margin block of six (3X2) with Plate No. 8431 below the lower left stamp."

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!