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TOPICALS / THEMATIQUES

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Math / Mathématiques
Lot No Type Description Result
16545 ENT image U.S.A. (1963) Bookkeeping machines. Postal card (O) with printed ad on back for Used Burroughs and National Bookkeeping machines and Brandts Coin Machines. Lists various model numbers.
AVAILABLE AT $12
16546 ESS image FRANCE (1967) Balance*. Trial color proof pair in different colors from margin of sheet. 9th International Accountancy Conference. Scott No 1193, Yvert No 1529. Different aspect of topic!
AVAILABLE AT $20
16547 SPE image GERMANY (1980) Gottfried Leibnitz*. Specimen (overprinted MUSTER). Scott No 1329, Yvert No 894.
AVAILABLE AT $15
16548 SPE GERMANY (1984) Friedrich Bessel*. Graph of Bessel function*. Specimen (overprinted MUSTER). Scott No 1422, Yvert No 1048. (Image a)
SOLD
16549 SPE image JAPAN (1992) Accountant's emblem*. 50th anniversary of CPA system overprinted MIHON (specimen). Scott No 2149, Yvert No 2014. Not easy to find!
AVAILABLE AT $20
16550 SPE image JAPAN (1992) Takakazu Seki*. People of culture issue overprinted MIHON (specimen). Seki was a 17th century mathematician noted for his study of circles. Scott No 2147, Yvert No 2012. Scarce!
AVAILABLE AT $20

See Also Lots:/ Voir Aussi Lots:
Lot No Type Description Result
16044 ND image BELGIUM (1988) Jean Monnet*. Imperforate with control number on back. Father of European Community and economist. Scott No 1294, Yvert No 2295.
AVAILABLE AT $20
16830 EL image FRANCE (1996) René Descartes*. Bloc gommé. Scott No 2512, Yvert No 2995.
AVAILABLE AT $75

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