873 SWITZERLAND - POSTAL HISTORY Auction #1828: WORLDWIDE + ARGENTINA: General Winter auction Cover / Cat.#: VF. 1/JUL/1926 Special flight Basel - Schafthausen, with cinderella and marks, very nice! Starting Price: US$ 25 Current Price: US$ 25 Bid US$ 25 or more Closing: 2018-08-09 22:20:00