CH 2006 PC 3.1 WEBSTAMP PRIVATE - 2 FDC's ill. no address

Switzerland 2006 Postal automation
WEBSTAMP PRIVATE PC 3.1, DIE POST, 2 letters A-Mail and B-Mail on ill. FDC (Format C6) without address and first day cancellation 3000 Bern 1 Schanzenpost 11.04.2006,
consecutive Webstamp number, large Post logo.
(SBK PC 3.1, Michel -)