San Marino. 1903 2L. bright violet, unmounted mint, centred to foot, fresh and fine. S.G. 50, £1,000, Sass. 44, €2,750 (Image1)

Est. £200-250

San Marino. 1943 prepared for use but not issued Anti-Fascist Air 25c. to 20L. set of eight, unmounted mint; fine and scarce. Sorani Certificate (1990). Sass 26-33, €9,750 (Image1)

Est. £800-1,000

San Marino. 1950-51 Air photogravure 500L. brown and grey-green, sheet of si(3x2), unmounted mint, crease in margin at lower left, otherwise fine and rare. S.G. 414, £720++, Sass. €5,000 (Image1)

Est. £400-500

San Marino. 1951 Air "Bandiera" 1000L. blue and blackish brown, unmounted mint from the top of the sheet (hinged in the margin), fine. S.G. 423, £900, Sass. €850 (Image1)

Est. £150-200

San Marino. 1903 2L.. bright violet, large part original gum; lightly toned. Sassone 44, €1,100; S.G. 50, £1,000 (Image1)

Est. £150-250

San Marino. 1951 Air "Bandiera" 1000L. blue and blackish brown sheetlet of six, unmounted mint, slightly toned gum. E. Diena Certificate (1989). S.G. 423, £5,400+; Sassone 99, €4,250 (Image1)

Est. £600-700

San Marino. 1951 Air "Bandiera" 1000L.. blue and blackish brown sheetlet of six, unmounted mint, off-white gum. S.G. 423, £5,400+; Sassone, €4,250 (Image1)

Est. £600-700

San Marino. 1951 Air "Bandiera" 1000L. blue and blackish brown with margin at left, well centred, unmounted mint with light even gum ageing. S.G. 423, £900, Sass. 99, €850 (Image1)

Est. £80-120

San Marino. 1951 Air "Bandiera" 1000L. blue and blackish brown, unmounted mint with light even gum ageing. S.G. 423, £900, Sass. 99, €850 (Image1)

Est. £80-120

San Marino. 1954 Air 1000L. sepia and deep blue, large part original gum, slightly off white, a few minor creases not affecting the stamps; attractive. S.G. 473, Sassone €1,300 (Image1)

Est. £60-80