Mathematic Symbols

0.20 $ 1968

Colombia

National University Cent.,Electronic data processing Congres

mathematic-symbols

0.14 - 0.17$

price on 26.02.2023

Country:	Colombia
Type:	Postage stamps
Series:	National University Cent.,Electronic data processing Congres
Nominal:	0.20 $
Year:	1968
Size:	30 x 40 mm
Perforation:	13½ x 14
Mintage:	5,000,000

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