The Santa Clara Coin, Stamp & Collectibles Expo will feature one of the four known examples of the 1879 Quintuple Stella/Metric gold double eagle patterns, in the piece’s first public appearance in Northern California.

A unique 1854 Kellogg and Co. $20 pioneer gold piece goes on display again in California, during the first three days of the Long Beach Coin, Stamp, and Collectibles Expo, Jan. 29 to Feb. 1, in the Long Beach Convention Center.