- | 6c | orgbrn | Queen Wilhelmina |
- | 6c | redbrn | Queen Wilhelmina | — | — |
X | 6c | orgbrn | Queen Wilhelmina |
X | 6c | brnvio | William the Silent |
X | 6c | blk | Willemstad harbor | ships |
X | 6c | copred | Minerva |
X | 6c | redbrn & blk |
X | 6c | redbrn | Queen Wilhelmina |
X | 6c | blk | Queen Wilhelmina | — | — | |
X | 6c | graybl | Queen Wilhelmina (1948) |
X | 6c | bl | Queen Juliana |
X | 6c on 7 1/2c | redbrn | Queen Wilhelmina | — | — |
X | 6c | ver | Broadcast pylons 1952 |
X | 6c | dkblgrn | Broadcast pylons 1952 |
X | 6c | gray | numeral |
X | 6c | grn | polder & canals & windmills |
- | 6c |
- | 6c | bl | numeral | — | — |
- | 6c | Blind girl | — | — |
- | 6c | Boy with flowers | — | — |