5c black 'Figure of Justice' POSTAL FISCAL issue, a fine mint block of twenty eight. (SG F37) [US4] (Start Price = £4.80)

1c brown on light green postal stationery card (H&G 3) used with undated FRANCA CINTI oval cancel. Addressed to SUCRE. [US7] (Start Price = £9.60)

10c in black on 1c blue fine m.m. [US4] (Start Price = £31.20)

20c yellow 'Inauguration of Guaqui - La Paz Railway' UNISSUED 'Boat' type, a fine IMPERF PROOF on buff paper, ungummed. A fine corner marginal block of four. Very scarce. [US1] (Start Price = £53.60)

Cover franked with 1913 2 x 2c red and 1919 10c vermilion & 22c pale blue (SG 134, 152 & 154) tied by LA PAZ EXTERIOR cds's. Addressed to BELGIUM with nice red & white printed 'LA PAZ' registration label. [US7] (Start Price = £8.80)

Printed 'Bulletin D' Expedicion' parcel post form franked with 1923 2 x 50c orange and 1925 pair 2b orange yellow (SG 162 & 190) tied by large undated SANTA CRUZ SECCION ENCOMIENDAS cancel with red on white parcel label alongside. Addressed to USA. [US7] (Start Price = £9.60)

Air Metallic OVERPRINT INVERTED on 25c black and blue fine unused no gum [US4] (Start Price = £24.80)

Real photographic black & white PPC of soldiers marching across scrubland inscribed 'GUERRA DEL CHACO Despliegue en descubierto (Villazon)' on picture side and 'Editor y Fotografo LUIS BAZOBERRI G. Casilla 11 Cochabamba (Bolivia) Prohibida la reproduccion' on message side. Fine unused & very scarce. [US7] (Start Price = £9.60)

(Circa 1942) Headed 'Companie Minera Y Argicola Oploca de Bolivia, Chocaya' cover franked with diagonally BISECTED 1938 1b pale brown and 1939 4b magenta (SG 335 & 371) tied by fine strike of undated CORREOS DE BOLIVIA CHOCAYA circular cancel. Addressed to UK with '2292' UK censor strip. [US7] (Start Price = £9.60)

Mourning cover franked with diagonally BISECTED 1951 5b reddish violet 'Flag' issue (SG 547) tied by COCHABAMBA cds. Addressed to LA PAZ with arrival cds on reverse. [US4] (Start Price = £12.00)

Cover franked with 1952 BISECTED 2b ultramarine on blue 'Triangular' issue & 1953 2b 50c pale vermilion (SG 570 & 577) tied by ORURO cds. Addressed to LA PAZ with large boxed 'EL M.N.R. CUMPLE CON EL PUEBLO' cachet (The Nationalist Revolutionary Movement Fulfils the Town). Arrival cds on reverse. This marking was used by the MNR opposition party during the 1952 - 1955 Bolivian National Revolution a period of social unrest caused by the economic decline created by the conservative government. Small write up accompanies cover. Scarce. [US4] (Start Price = £23.20)

Range of 'Sun & Gate' SURCHARGE issue in BLOCKS OF FOUR OR SIX inc SG 702, 703, 705, 706, 707, 708, 709, 710, 711, 712, 713, 714, 715, 716. All fine mint and many are marginal. (14 blocks, Cat £55+) [US4] (Start Price = £14.40)