Liechtenstein. 1930-31 Prince Francis I and Princess Elsa, perf 11½x10½ 1f.20 sepia, hinge remnant at top, fine mint. Very rare. S.G. 107C, £13,000; Mi. 105C, €15,000 (Image1)

Est. £1,500-2,000

Liechtenstein. 1930-31 Prince Francis I and Princess Elsa, perf. 11½x10½ 2f. red-brown and deep greenish blue, well-centred, hinge remnant, fine mint. Rare. S.G. 109C, £5,500; Mi. 107C, €7,500 (Image1)

Est. £1,000-1,200

Liechtenstein. 1934 Vaduz miniature sheet; unmounted mint and fine. S.G. MS144, £2,750; Mi. Block 1, €1,800 (Image1)

Est. £250-300

Liechtenstein. 1948 (Apr.) Air, Pioneers of Flight, 10r. to 10f. set of ten, all imperforate from the top right corner of the sheet, fine unmounted mint. Rare. Rupp Certificate (1983). Mi. 257-266U, €15,000 (Image1)

Est. £2,000-2,500

Liechtenstein. 1948 (Apr.) Air, Pioneers of Flight 20r. red-brown imperforate sheetlet of nine, fine unmounted mint. Rare. Mi. 259 U, €13,500+ (Image1)

Est. £1,500-2,000

Liechtenstein. 1951-52 perf. 12½x12 2f. deep blue and perf. 14½ 3f. lake-brown, both in a complete sheet of twenty, unmounted mint and fine. S.G. 302A and 303B, £5,600; Mi. 304A, 305B, €2,400 (Image1)

Est. £350-500

Liechtenstein. 1951-52 perf. 14½ 2f. deep blue complete sheet of twenty, unmounted mint, fine and rare. S.G. 302B, £36,000; Mi. 304B, €18,000 (Image1)

Est. £2,000-2,500

Liechtenstein. 1951-52 perf. 12½x12 3f. lake-brown complete sheet of twenty, unmounted mint, fine and rare. S.G. 303A, £7,000; Mi. 305A, €3,600 (Image1)

Est. £400-500

Liechtenstein. 1930-31 Prince Francis I and Princess Elsa, perf. 11½ 10½ 30r. blue, well-centred, hinge remnant at top, fine mint. S.G. 101C, £1,500; Mi. 99C, €2,300 (Image1)

Est. £250-300

Liechtenstein. 1930-31 Prince Francis I and Princess Elsa, perf. 11½ 10½ 30r. blue, well-centred, fine unmounted mint. S.G. 101C, £1,500; Michel. 99C, €2,300 (Image1)

Est. £300-400

Liechtenstein. 1930-31 Prince Francis I and Princess Elsa, perf .11½ 10½ 2f. red-brown and deep greenish blue, unmounted mint, fine and rare. Rupp (1987) and Marxer (2001) Certificates. S.G. 109C, £5,500; Michel 107C, €7,500 (Image1)

Est. £1,000-1,200

Liechtenstein. 1931 Air Zeppelin 1f. blackish green and 2f. deep slate-blue blocks of four, fine mounted mint. S.G. 116-117, £1,200; Michel €1,600 (Image1)

Est. £200-250

Liechtenstein. 1934 Vaduz miniature sheet, fine unmounted mint. S.G. MS144, £2,750; Michel Block 1, €1,800 (Image1)

Est. £250-300

Liechtenstein. 1934 Vaduz miniature sheet; lightly mounted in the margin only. Michel Block 1, €1,800; S.G. MS 144, £2,750 (Image1)

Est. £200-250

Liechtenstein. 1944 2f. brown and 3f. green, miniature sheets of eight both perforated and imperforate (4); unmounted mint. S.G. 241 and 242 var; Mi. 238-239/ 238 U/239 U, €3,200+ (Image1)

Est. £300-400

Liechtenstein. 1948 (Apr.) Air, Pioneers of Flight 10r. blue-green from the left of the sheet, variety imperforate, fine unmounted mint. Marxer Certificate (1994) Michel. 257 U, €1,500 (Image1)

Est. £200-250

Liechtenstein. 1951 Prince Francis Josef II, perf. 14½ 2f. deep blue, fine unmounted mint. S.G. 302B, £1,800 (Image1)

Est. £200-250

Liechtenstein. 1951 Prince Francis Josef II, perf. 14½ 2f. deep blue, fine unmounted mint. S.G. 302B, £1,800 (Image1)

Est. £200-250

Liechtenstein. 1951 (Nov.) perf 14½, 2f. deep blue and 3f. lake-brown, fine unmounted mint. S.G. 302B-303B, £2,050; Michel 304B-305B, €1,000 (Image1)

Est. £150-200

Liechtenstein. 1951-52 perf. 14½ 5f. bronze-green, complete sheet of nine; unmounted mint, fine and rare. Michel 309, €2,500: S.G. 304, £3,150 (Image1)

Est. £400-500

Liechtenstein. 1955 Prince Francis Joseph II and Princess Georgina 2f. and 3f. complete sheets of nine, unmounted mint; fine and scarce. Michel 332-333, €1,800; S.G. 330-331, £3,000+ . . (Image1)

Est. £200-300

Liechtenstein. 1960 Princess Gina 2f. deep blue, variety imperforate, fine mint. Reinhardt (1977) and Marxer (2002) Certificates. Michel 402 U, €1,500 (Image1)

Est. £200-250