Circular plate with plain, curved rim and flat well with a circle stamped at center encirlcled by a pair of incised lines; no foot ring. Underside engraved at top of rim ".J.S.G. / .1770."; incised circle around well encloses circular touch mark at center containing a crowned, winged, female figure holding a palm branch and harp surrounded by "FEIN ZINN / G.L.DOSTMANN." in raised serif letters.