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Source:
Colnect
Issued by:
Singapore
Function:
postage
Date:
6/29
/
1975
Denom:
35c
Color:
multicolored
Design type:
science & industry
Design:
oil refineries
Watermark:
unwmk
Perf:
14
Catalog value:
Prev:
10c d=satellite Earth stations
Next:
75c
External links:
Colnect 581987..ience_Industry
Record of changes
