Colnect-139-761-Riggenbach-Niklaus-1817-99-inventor---engineer.jpg
Source: Colnect
Issued by: Switzerland
Function: semipostal
Date: 12/1/1942
Issue: Pro Juventute 1942
Denom: 5+5(c)
Color:
Design: Niklaus Riggenbach
Watermark: unwmk
Perf: 11.75
Catalog value:

In collections: used (Stan Shebs)

External links:
Colnect 22104-..nbach_vd_Linth