Literature: Górecki B.16.6.f (F1).
Variety with the Sas (Nicholas Danilovich) coat of arms in a hexagonal shield.
Apparently the four in the apple is missing, but under magnification it can be seen that this is the result of a clogged stamp and/or deficiency, and the outlines of the numeral 4 are visible.
In addition, double-stamped numeral 3 in the shield under the crest.
Very nice condition, patina on the side with coats of arms.