Antarctica: British Antarctic Territory: 1963 1/2d. to £1 on plain long f.d.c. cancelled at Deception Island, 1971 (Feb. 15) 1/2p. on 1/2d. to 50p. on 10s. plain f.d.c. with 1969 £1 Endurance cancelled Argentine Islands with British Antarctic Survey dated cachet. (2 covers)

Antarctica: British Antarctic Territory: 1971 3p. on 3d., 10p. on 2s., 50p. on 10s., each variety watermark inverted, fine unmounted mint, the last marginal from the top of the sheet. SH 30wmk1, 35wmk1, 38wmk1, S.G. 29w, 34w, 37w, cat. £1,020. Photo. (Image1)

Antarctica: British Antarctic Territory: 1973 to 1981 Explorers issues, a specialised collection in a F.G. album with all printings, mainly in unmounted mint multiples with plate and imprint blocks of four or larger, gutter pairs, varieties incl. red spot on 1973 1/2p. and 1974 pl. 1C blocks [R. 5/1], and uncatalogued on 1/2p. pl. 1C [R. 4/3], uncatalogued missing red registration mark on 1975 1/2p. gutter strip, etc. mainly fine. •ÈÀEx Leppard. Heijtz cat. £1,500+.

Antarctica: British Antarctic Territory: 1975-81 £1 John Rymill, perf. 12 (1980), variety watermark inverted, marginal from the top of the sheet, fine unmounted mint. SH 78b wmk1, S.G. 78aw, cat. £900. Photo. (Image1)

Antarctica: British Antarctic Territory: 1977 Whale Conservation 2p. showing black printing double, fine unmounted mint from the right of the sheet. Ex Buchan. SH 79v1, S.G. 79 var. Photo. (Image1)

Antarctica: British Antarctic Territory: 1981 20th Anniversary of Antarctic Treaty 10p. variety watermark Crown to right of CA, unmounted mint, fine. SH 99wmk1, S.G. 99w, cat. £400. Photo. (Image1)

Antarctica: British Antarctic Territory: 1998 Antarctic Birds 1p. in an interpanneau block of twenty incl. [R. 1/1] of the lower pane showing the inscription error "British Antarctic Terri" instead of "Sheathbill Chionis alba" at top, fine unmounted mint. SH 293, v1, S.G. 290, a, cat. £440+. Photo. (Image1)

Antarctica: British Antarctic Territory: 2001 Restoration of Port Lockroy Base 33p, gutter pair, variety printed on the gummed side and watermark reversed, fine unmounted mint. SH 332v1, S.G. 329a, cat. £850+. Photo. (Image1)

Antarctica: British Antarctic Territory: Postal Stationery: 1992 34p. aerogramme (type A21) unused but with Halley Bay type Z14 "23 DE/92" c.d.s. on the reverse. A very scarce trial aerogramme. Heijtz cat. £250. •ÈÀPhoto. (Image1)

Antarctica: British Antarctic Territory: Duplicated mainly mint selection from 1963 to 2018 on dealer's cards incl. 1963 set (2, one unmounted), 1969 £1, 1966 Churchill (3, two unmounted), 1971 decimal surcharges unmounted, 50p. on 10s. watermark inverted, 1971 Treaty (3, one unmounted, another used), later unmounted with gutter pairs, miniature sheets, etc. chiefly fine.

Antarctica: British Antarctic Territory: A mint collection in an album, incl. 1963-69 to £1 (both), 1971 surcharge set, etc. (few 100s) (Image1)

Antarctica: British Antarctic Territory: Comprehensive mint collection from 1963 to 2015 on printed leaves, incl. 1963-69 to £1 (both), 1966 Churchill, 1971 decimal surcharges, 1971 Treaty, 1973 and 1975-81 to £1, 1990 Fossils, watermark varieties incl. 1975-81 50p., 1980 R.G.S. Anniversary 22p., 1984 Marine Life 20p., later with miniature sheets, mainly fine and unmounted except 1963 values.

Antarctica: British Antarctic Territory: A used collection from 1963 to 1972 in an Exeter album, incl. 1963-69 to £1 (both), 1966 Churchill, 1971 surcharges, also some commercial covers variously franked and addressed. (44 + 10 covers) Ex Cottis. (Image1)