Sweden - 1 Ducat 1728, Gold, FREDERIK I 1720–1751 Stockholm mint. Draped bust right. Rev. Three crowns in center surrounded by four mirrored FF's in circle.Fr. 59; SM 13; SG 21.Ex. Ahlström auction 63:737 (April 28th 2001); Ex Ahlström auction 12:344 (1976, sold for 4500 SEK +%)3.24 g. RR. Has been mounted. 1?/1)(1 Fine