Stamps of Belgium, 4 base month
451 to 500 of 531
semipostal
1911, Apr 1 1911 semi issue ovpted unwmk p. 14
| - | 10c | car | ovpt, St Martin dividing cloak |
1935, Apr 10 Chlld Welfare Society 1935 issue p. 13.5x14
| - | 35c+15c | grn | ||||
| - | 70+30c | redbrn | ||||
| - | 1.75fr+50c | bl |
1935, Apr 27 Brussels stamp exhibition 1935 issue (no perf info)
| - | 10c+10c | ol | ||||
| - | 25+25c | brn | ||||
| - | 35c+25c | grn |
1937, Apr 15 Public Utility Works fund issue Queen Astrid & Prince Baudouin (8 stamps)
1939, Apr 1 75th anniversary of the Red Cross issue p. 11.5 (8 stamps)
| - | 10+5c | brn & red | ||||
| - | 30+5c | brnvio & red | ||||
| - | 40c+5c | ol & red | ||||
| - | 75c+5c | gray & red | ||||
| - | 1fr+25c | red | ||||
| - | 1.75fr+25c | bl & red | ||||
| - | 2.50fr+2.50fr | vio & red | ||||
| - | 5fr+5fr | grn & red |
1944, Apr 15 Red Cross 1944 issue (no perf info) (6 stamps)
| - | 35c+1.65fr | grn & red | ||||
| - | 50c+2.50fr | blgray & red | ||||
| - | 60c+3.45fr | brn & red | ||||
| - | 1+5fr | car & red | ||||
| - | 1.75+8.25fr | bl & red | ||||
| - | 5+30fr | brn & red |
1948, Apr 5 Trappist abbey 1948 issue p. 11.5
| - | 65+65c | brn | ||||
| - | 1.35+1.35fr | blgray | ||||
| - | 3.15+2.85fr | bl | ||||
| - | 10fr+10fr | vio |
1948, Apr 5 Carmelite Fathers 1948 issue
| - | 65+65c | blgrn | Saint Begga & Chevremont | |||
| - | 1.35+1.35fr | car | ||||
| - | 3.15+2.85fr | bl | ||||
| - | 10fr+10fr | brn |
1954, Apr 1 political prisoner monument issue
| - | 2+1fr | red | ||||
| - | 4+2fr | brn | ||||
| - | 9+4.50fr | grn |
1958, Apr 15 Brussels exhibition semi issue (6 stamps)
| - | 30+20c | multi | ||||
| - | 1fr+50c | multi | ||||
| - | 1.50fr+50c | multi | ||||
| - | 2.50fr+1fr | multi | ||||
| - | 3+1.50fr | multi | ||||
| - | 5+3fr | multi |
1960, Apr 7 World Refugee Year issue
| - | 40c+10c | rosecl | ||||
| - | 3fr+1.40fr | graybrn | ||||
| - | 6fr+3fr | dkbl |
1961, Apr 22 1961 various a issue
| - | 40c+10c | multi |
451 to 500 of 531