CH 1894-1905 Postage due 17EK-21EK Type II, Set cancelled

Switzerland 1897 Postage due stamp, 17E-19E 20.+21. Issue, 20E-21E 20. Issue, 5, 10, 20, 50 and 100 Cts light olive green / carmine red,
Type II, control mark B, Frame on head, 5 values, complete set cancelled
(SBK Nachporto 17EK II-21EK II, Michel 17AYe K II-21AYe K II).