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#K13

1919

40c on 20c

Deep ultramarine

GRADE: Ungraded, Mint OGh

"it is a genuine unused, o.g., hinged, left margin Plate No. 12594 block of six (the top and bottom stamps never hinged)."

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