Description: perforated but ungummed stamp for "Panama-California International Exposition, 1915" declaring "Buy San Diego Made Goods." There was an early expectation that the exposition would be international, which did not happen until 1916
Creation Date: pre-1915
Keywords: stamps
Object ID: stamps_1915_da_patronize_ad2.jpg
Copyright: public domain
Format: paper
Size: 1 3/8 x 2 inches
Credit: Dan Abbott Collection, Panama-California Exposition Digital Archive