Stamps of Ryukyu Islands, 4 base month
1 to 19 of 19
postage
1952, Apr 1 unwmk p. 13.5x13
| - | 3y | brncar | establishment of government | — | — |
1959, Apr 30 p. 13.5
| X | 3c | multi | trees & mountains | — | — |
1962, Apr 1 government 10th issue
| X | 1 1/2c | multi | steps & trees & buildings | — | — | |
| X | 3c | multi | government building | — | — |
1962, Apr 7 malaria eradication issue p. 13.5x13
| - | 3c | multi | Anopheles hyrcanus sinensis | — | — | |
| - | 8c | multi | Eradication Emblem | — | — |
1963, Apr 5 p. 13x13.5
| X | 1 1/2c | multi | gooseneck cactus | .20 | .20 |
1963, Apr 30 p. 13.5
| - | 3c | multi | Okinawa map | — | — |
1967, Apr 20 Philatelic Week 1967 issue
| - | 3c | yel & multi | tsuboya urn | .20 | .20 |
1968, Apr 18 Philatelic Week 1968 issue
| - | 3c | multi | inro | .30–1.00 | .30–1.00 |
1969, Apr 17 Philatelic Week 1969 issue
| - | 3c | multi | ink slab screen | — | — |
1970, Apr 15 Philatelic Week 1970 issue
| - | 3c | multi | Sake Flask | — | — |
1970, Apr 28 classic opera issue - classic operas (5 stamps)
| - | 3c | multi | The Bell | — | — | |
| - | 3c | multi | Child & Kidnapper | — | — | |
| - | 3c | multi | Robe of Feathers | — | — | |
| - | 3c | multi | Vengeance of Two Sons | — | — | |
| - | 3c | multi | The Virgin and the Dragon | — | — |
1972, Apr 17
| - | 5c | bl & red & gray | US flag & Japanese flag & dove | — | — |
1972, Apr 20 Final Issue issue
| - | 5c | ultra & multi | antique sake pot | — | — |
1 to 19 of 19