20c blue 'First Issue' a superb mint copy with full O.G. Four large margins. (SG 5) [US2] (Start Price = £60.00)

2c black on yellow buff postal stationery card (H&G 13) used with CORREOS NACIONALES BOGOTA duplex cds. Addressed to GERMANY with fine strike of octagonal LIGNE A PAQ FR No. 2 cds on front with German arrival cds. [US5] (Start Price = £9.60)

2½c purple on LAID paper 'Late Fee' issue, original printing complete SHEETLET of four with central dividing gutters & outer margin (left & right). Unused, few light tones. Attractive. (SG L137) [US5] (Start Price = £4.00)

5p purple 'Barranquilla' issue DUMONTEUIL FORGERY, a fine unused corner marginal imperf block of twenty. A 1 page article on this forgery from the COPAPHIL journal accompanies. (As SG 238A) [US5] (Start Price = £12.00)

Cover franked with pair 1904-1916 5c blue 'Numeral' issue tied by fine ADMON S. DE CORREOS NALES MAGANGUE duplex cds. Addressed to FRANCE with BARRANQUILLA transit cds on reverse and French arrival cds on front. [US5] (Start Price = £8.00)

REVENUE: 1c green 'Timbre Nacional' REVENUE issue 'Perkins Bacon' printing, an IMPERF PLATE PROOF block of four. Slight stain at bottom corner. [US5] (Start Price = £4.00)

Cover franked with 1920 1c green & 2c red PROVISIONAL 'Numeral' issue (SG 382/383) tied by CORREOS NALES BARBACOAS NARINO duplex cds. Addressed to USA with arrival cds on reverse. [US5] (Start Price = £8.00)

Registered cover franked with 1917 1c green, pair 1920 2c red PROVISIONAL 'Numeral' issue, 1923 3c blue and 1917 10c blue 'Registration' issue (SG R370, 383, 358 & 394) all tied by boxed PASTO cancels with boxed registration marking alongside. Addressed to USA with transit and arrival marks on reverse. [US5] (Start Price = £8.00)

Air set missing the 1939 15c,20c, also Registration 20c(14), the 2P,3P,5P have light creasing [US2] (Start Price = £27.20)

Collection of Aiviation themed issues mint and used on 5 Prinz stock sheets. Includes SG422 - f.u., SG824 - u.m., SG825-826 - u.m. & f.u., SG849 - mint small h/r & f.u., SG868 - u.m., SG905 - u.m., SG968-988 - (Missing SG968 - 5c Brown, SG969 - 5c Orange, SG970 - 5c Red, SG980 - 25c Red and SG984 - 1p20) f.u., SG994-995 - u.m. & f.u., SG998-999 - u.m. & f.u., SG1002-1004 - (SG1002 unused no gum) u.m., SG1002-1003 - f.u., SG1159-1167 - f.u., SG1159-1167 - l.m.m. (Missing SG1161 - 20c and SG1162 -50c)., SG1240-1241 - u.m. & f.u. and many more. Good lot fresh bright colours. (87) (Start Price = £24.00)

25c black ''P.O. Rebuilding Fund' issue the unissued 'Revenue' type a fine unmounted mint copy. (SG Unlisted) [US5] (Start Price = £2.40)

AVIANCA: 2p blue & carmine and 5p grey and orange yellow AIR issue with small 'A' overprint both fine mint. (SG 20 & 22, Cat £28+) [US5] (Start Price = £6.40)

'Ambassade de Suisse en Colombie' headed airmail cover franked 10c, 35c & 1p tied from BOGOTA to Switzerland. Tourism cachet on reverse. [US5] (Start Price = £2.40)

Unification of Airmail Rates. Ovpt 'UNIFICADO' vals 5c to 10p set of 21 mainly u.m. a couple mint small h/r (5p & 10p u.m.). Superb. (21) (Start Price = £13.60)

40th Anniv of Colombian 'Avianca' Air Mail Services, two mini sheets one with Extra Rapido on u.m. Superb. (2) (Start Price = £16.80)

Registered cover franked with 1956 2 x 3c, 1959 20c on 23c & 1959 2 x 2c on 4c (SG 872, 949 & 955) tied by boxed PAQUETES POSTALES NACIONALES BARRANQUILLA COLOMBIA OFICINA DE CAMBIO cancels with registration marking alongside. Addressed to BRAZIL with transit and arrival marks on reverse. [US5] (Start Price = £4.00)