A very rare coin with a fading of the Designer's name (Goslawski). This is not an abrasion on the coin but a destruction of the stamp. Coin listed, among others, at the 17th WDA-MiM auction where it was sold for 690 zlotys
https://onebid.pl/pl/auction/995/lot/894/rr-100-zlotych-1966-mieszko-i-dabrowka-destrukt-zanikajacy-napis-goslawski In collections of coins of the last century, struck by machine in large numbers, it is not the quantity of coins that proves the quality of the collection, but the number of gems in it, which include curious minting errors created by accident.
