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TOPICALS / THEMATIQUES

752 Optics / Optique Specimens
Lot No Type Description Price
1936 SPE image GERMANY (1986) Ancient & modern opticians*. MUSTER (Specimen) overprint. Scott No B643, Yvert No 1106.
AVAILABLE AT $20
16854 SPE image JAPAN (1986) Electron microscope*. Electron Microscopy Congress issue overprinted MIHON (specimen). Scott No 1701, Yvert No 1594.
AVAILABLE AT $15

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