Colnect-1472-079-Observatory--quot-Cerro-Calan-quot--University-of-Chile.jpg
Source: Colnect
Issued by: Chile
Function: postage
Date: 8/31/1972
Denom: 50c
Color: ultramarine
Design: Mt Calan Observatory
Watermark: unwmk
Perf: 14.75
Catalog value:



External links:
Colnect 362344.._observatories