Eggshell Form Open Salt Gilt Interior Gorham Sterling Silver 1869 Mono WTR. Gorham sterling silver open salt dish in form of an eggshell with applied base. There is an engraved intricate monogram “WTR” on the front and inscription Nov. 4 1870 on the reverse side. Date mark for 1869 (B). This marvelous dish is 1 ..