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Source:
Colnect
Issued by:
San Marino
Function:
postage
Date:
9/24
/
1991
Issue:
Centenary of the radio
Denom:
750l
Color:
multicolored
Design:
equation &
James Clerk Maxwell
Watermark:
unwmk
Perf:
Catalog value:
Prev:
6/4/1991 750l issue=Centenary of Basketball d=Athletes & JNaismith
Next:
3/26/1992 750l d=air gaps & Heinrich Hertz
External links:
Colnect 71086-..y_of_the_radio