Switzerland 2019 Traditional Costumes Souvenir Sheet on Folder, Used - LOTTO/42157FSwitzerland 2019 Traditional Costumes Souvenir Sheet on Folder, Used

5/9/2019 SWITZERLAND - Traditional Costumes (Cat. Unificato BF/72 - Yvert 2545/2548). Souvenir sheet used with the first day of issue postmark of Bern, on the official Swiss Post folder: a limited printing, not sold by the post but given only to subscribers of the Philatelic Office. Uncommon - Lotto/42157F