Stamps of Singapore, 1 Aug 1986
1 to 4 of 4
postage
1986, Aug 1 25th Anniversary of Industrial Progress issue unwmk p. 15x14.5
| - | 10c | multi | automation | |||
| - | 35c | multi | Precision engineering | |||
| - | 50c | multi | electronics | |||
| - | 75c | multi | Biotechnology |
1 to 4 of 4
| - | 10c | multi | automation | |||
| - | 35c | multi | Precision engineering | |||
| - | 50c | multi | electronics | |||
| - | 75c | multi | Biotechnology |