Pre-revolutionary antique postcard "Declaration" (A. Maks-Erler), early 20th century. Description: Original antique art postcard for sale, dating back to the early 20th century (Russian Empire period, before 1917). Subject: "Declaration" (Amur/Cupid drawing a heart over a gate). Artist: Anna Maks-Erler (Anna Max-Ehrler). Publisher/Warehouse: Main warehouse for all of Russia, St. Petersburg, Liteyny pr., 55. Period: Before 1917. Condition: Clean (has not been mailed). Excellent condition for its age, corners are intact, no damage. Series number: 538.