Sweden - 4 Daler plåtmynt 1757, Copper, ADOLPH FREDERIK 1751–1771 Avesta. Square copper plate ±26 x ±24cm with 5 countermarks. 4 x crowned initials of Adolf Fredrik with date, center countermark reads 4 / DALER / SILF MYNT / crossed arrows.AAH. 126; Delz. 119 (RR); KM. PM. 76.2802 g. Rare Very fine