Belgium. 1919-20 Helmet 1c. to 10f. set of fourteen in blocks of four, fine mint, the lower pair in each unmounted. Rare multiples. S.G. 237-250, £4,000+ (Image1)

Est. £1,000-1,200

Belgium. 1919-20 Helmet 2f. purple block of four, mint with the lower pair unmounted; a fraction gum toned, otherwise fine mint. A rare multiple. G. Bolaffi Certificate (1979). S.G. 248, £2,600+ (Image1)

Est. £500-600

Belgium. 1929 Orval Abbey 5c. to 10f. set of nine in horizontal pairs, fine unmounted mint. S.G. 543-551, £2,000+ (Image1)

Est. £300-400

Belgium. 1918 Red Cross Fund set of fourteen, fine mounted mint. E. Diena Certificate (1984) for the top three values. S.G. 222-235, £1,500 (Image1)

Est. £200-300

Belgium. 1919-20 Helmet set of fourteen, fine mounted mint. S.G. 237-250, £1,000 (Image1)

Est. £150-200

Belgium. 1919-20 Helmet 2f. purple, from the upper right corner of the sheet, unmounted mint, hinged in the margin only. S.G. 248. £650 (Image1)

Est. £180-220

Belgium. 1929 Orval Abbey set of nine, fine lightly mounted mint. S.G. 543-551, £1,000 (Image1)

Est. £150-200

Belgium. 1932 Cardinal Mercier set of nine in blocks of four, the cents blocks a fraction gum toned, otherwise fine mint. S.G. 609-617, £2,600+ (Image1)

Est. £400-500

Belgium. 1932 Cardinal Mercier set of nine, fine mint. S.G. 609-617, £650 (Image1)

Est. £100-150

Belgium. 1932 Cardinal Mercier set of nine, fine mint. S.G. 609-617, £650 (Image1)

Est. £100-150

Belgium. 1933 Orval Abbey 10f.+40f. blue, a top right corner example with sheet number "011270", unmounted mint, lightly gum toned, two creases in selvedge. S.G. 644, £400 (Image1)

Est. £80-100

Belgium. 1952 25th Anniversary of Cardinalate of Primate of Belgium miniature sheet, unmounted mint; very fine. S.G. MS1392, £600 (Image1)

Est. £100-120