Very old cleaning, primarily on reverse, re-toned and attractive
Obv: Cruciform monogram of Frederick I (third type), with each arm made by two mirrored F letters; in square center is a small dot, while four crowns are in diagonal position between the monogram arms, with the King's motto “God is my hope” in Latin around with date at the end
Rev: Three crowns of Sweden divide value, mint master’s initials GZ below
KM 401
44.4% Silver (ASW 0.0501 ounce), 22.1 mm