Stamps of Netherlands, 1931
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postage
1931, Oct wmk. circles p. 12.5
| - | 70c | bl & red | Queen Wilhelmina & industry |
airmail
1931, Apr 24 unwmk
| - | 36c | orgred & dkbl | airplanes & Queen Wilhelmina |
semipostal
1931, Oct 1 Goudse Glazen issue wmk. circles
| - | 1 1/2c+1 1/2c | blgrn | ||||
| - | 6+4c | carrose |
1931, Dec 10 child welfare 1931 issue (8 stamps)
| - | 1 1/2c | Deaf-mute education | — | — | ||
| - | 1 1/2c+1 1/2c | |||||
| - | 5c | — | — | |||
| - | 5+3c | |||||
| - | 6c | Blind girl | — | — | ||
| - | 6+4c | |||||
| - | 12 1/2c | Neglected child | — | — | ||
| - | 12 1/2c+3 1/2c |
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