Colnect-5593-171-Refined-value-of-pi.jpg
Source: Colnect
Issued by: Micronesia
Function: postage
Date: 10/4/1999
Issue: New Millennium - Science and Technology of Ancient China
Denom: 33c
Color: multicolored
Design: Refined value of pi
Watermark: unwmk
Perf: 12.5
Sort pos: 6
Catalog value:



External links:
Colnect 841823..ated_States_of