A mint piece, found in such states extremely rarely on the collector market.
A beautiful coin appreciated with the second highest grade in the NGC registry and only one piece graded higher (coin with the MS66 grade from the 9th SNMW Auction - 15,500 PLN).
A one-zloty coin, minted on a nickel disc, ordered in Switzerland from the Selwe et Co. of Thun, introduced into circulation on March 6, 1929 by a decree of the Treasury Minister of February 19, 1929.
The design is by Milosz Kotarbinski.