1850 Orts Post, 2 1/2rp Sperati forgery, signed die proof of pair in black, v.f. (Cat No. 3F) (Image)

Est.$250

1850 10r black & red, with frame around the cross, Sperati signed forgery, horizontal strip of three, v.f. (Cat No. 6F) (Image)

Est.$1,000

1867 50c violet, block of four, n.h., fresh and v.f. (catalogue value for singles) cat. $480 (Cat No. 59) (Image)

Cat. $480, Est.$200

1882 Helvetia, 40c brown carmine & dark ultra, two die proofs on thick card, some toning, otherwise v.f. (Image)

Est.$300

1901 1fr claret, perf. 11 1/2 x 12, perfectly centered, Romanshorn cds, v.f., with 1974 APS certificate (Zu.71E) cat. $350 (Cat No. 87b) (Image)

Cat. $350, Est.$150

1907 3fr bistre & yellow, well centered, h.r., v.f., cat. $465 (Cat No. 145) (Image)

Cat. $465, Est.$150

1934 NABA souvenir sheet of four, n.h., fine-v.f., signed Diena, with his 1992 certificate, cat. $700 (Cat No. 226) (Image)

Cat. $700, Est.$200

1919 30c yellow brown and pale green, postal cancel, v.f., with 1972 APS certificate, cat. $1250 (Cat No. C1) (Image)

Cat. $1250, Est.$300

1934 (31 Oct) flown cover originating from Santiago, Chile, franked on back with 7.70p in adhesives and sent via Paris to Winterthur, with 40c added to pay for final delivery, v.f. and unusual mixed country franking (Image)

Est.$200

1935 10c on 15c deep green & light green, surcharge inverted, v.f. (SBK SFr 7,500) cat. $6500 (Cat No. C20a) (Image)

Cat. $6500, Est.$1,500

1940 HD.BEW.KP.10 (Auxiliary Observers Service Unit 10), soldier in olive, green and black, imperf. horizontal pair, olive double/one inverted and light green inverted, unused without gum, v.f., with 2007 Alex Rendon certificate (Wittwer 46wvar) (Image)

Est.$250

1922 League of Nations, 10c-90c (9 diff.), also International Labor Organization 35c-1.50fr (10 diff.), mostly with disturbed gum and some facial abrasions from being stuck down, otherwise fine-v.f. (Mi.6/23) cat. €1900 (Cat No. 2O8/3O29) (Image)

Cat. €1900, Est.$400

1922-31 League of Nations and International Labor Bureau, 3fr-10fr selection, mostly two each, used, fine-v.f., cat. $1060 (Cat No. 2O27/3O26) (Image)

Cat. $1060, Est.$250

1942 Bureau International d'Education (Father Girard), set of four sheetlets of 12, with marginal inscriptions, n.h., v.f., cat. $720 (Cat No. Zu.V-VIII) (Image)

Cat. $720, Est.$500

1936 Pro Patria souvenir sheet of three, used on registered cover from Sarnen (23 Oct) to Vaduz, v.f., with arrival pmk, cat. $475 (Cat No. B80) (Image)

Cat. $475, Est.$150

1936 Pro Patria, block of four souv. sheets, canceled Bern 30.XI.36, full gum and fresh, v.f., rare (Mi.Block 2) cat. €1100 (Cat No. B80a) (Image)

Cat. €1100, Est.$250

1940 National Fete Day souvenir sheet of four, used on registered cover (27 Aug) from Luzern to Liebefeld, v.f., with arrival pmk, cat. $775 (Cat No. B105) (Image)

Cat. $775, Est.$250

1940 National Fete Day, four imperforate singles from souvenir sheet, also three corresponding perforated stamps, used on two registered covers from TPO Automobile post office to Bern, with arrival pmks, v.f. cat. $740 (Cat No. B105a,b) (Image)

Cat. $740, Est.$250

1953 Pro-Juventute, tete-beche sheetlet of 24, n.h., v.f. (Zu.oZ41) cat. $500 (Cat No. B229a) (Image)

Cat. $500, Est.$150

1931 Polar Flight picture postcard, addressed to Great Britain, with Leningrad and Berlin transits, v.f. (Cat No. Si.119) (Image)

Est.$500

1932 2nd SAF card to Brazil, v.f. (Cat No. Si.143Aa) (Image)

Est.$250

1933 1st SAF card to Brazil, v.f., with Condor-Zeppelin transit cachet, scarce (Cat No. Si.202A) (Image)

Est.$250

1933 3rd SAF from Basel to Brazil, fine-v.f., with transit and arrival pmks (Image)

Est.$250