StampData
Stamp catalog
Collections
Lists
Joint Issues
Sheets
Notes
Albums
Catalogs
Things
Tools
Statistics
Quiz
Login
Source:
Colnect
Issued by:
Nicaragua
Function:
postage
Date:
5/15
/
1971
Issue:
Physical Laws and Mathematical Formulas
Denom:
15c
Color:
multicolored
Design:
Isaac Newton
(1971)
Watermark:
unwmk
Perf:
Catalog value:
Prev:
10c
Next:
20c d=Albert Einstein (1971 Nicaragua)
External links:
Colnect 533761..ty-Mathematics
Record of changes
