4 UNION PORCELAIN WORKS OYSTER PLATES: 6 oyster plates total, 4 are 6 well by Union Porcelain Works and marked U.P.W. on base with other marks. 2 with only impressed 183 and 87 mark. Average dia. 9 1/4''.
CONDITION: Minor loss of gilt, one UPW plate with rim chip and firing cracks on foot.