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Mars-Lumograph 1021

J.S. Staedtler, Germany

lead diameter mechanism composition variations production date origin	2 mm pushbutton spring clutch all metal unknown (barrel color?) circa 1950s Germany
see also	Mars-Lumograph Technico 1001 (with grip)

Packaging for the all metal Lumograph 1021 included lead and a pointer.

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Mars-Lumograph 1021

J.S. Staedtler, Germany

lead diameter mechanism composition variations production date origin	2 mm pushbutton spring clutch plastic barrel, metal fittings colored end of barrel: black, green, red, yellow, blue (none) circa late 1950s to early 1960s Germany
see also	Staedtler Mars 771