Colnect-2279-260-Alexander-Popov-1859-1906-antenna.jpg
Source: Colnect
Issued by: Hungary
Function: airmail
Date: 5/15/1948
Issue: 1948 air
Denom: 40f
Color: dark violet
Design type: explorers & inventors
Design: Popov & radio antennas
Watermark: double cross in shield mult
Perf: 12
Catalog value:



External links:
Colnect 191915.._and_Explorers


Record of changes