Colnect-4368-736-Acoustic-mapping.jpg
Source: Colnect
Issued by: Sweden
Function: postage
Date: 10/6/1979
Issue: Marine Research
Denom: 1.70kr
Color: dark violet brown
Design: Acoustic mapping
Watermark: unwmk
Perf: 12.5h
Sort pos: 2
Catalog value:

In collections: mint (Stan Shebs)

External links:
Colnect 52275-..Investigations


Record of changes