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	courtesy Laurie Schmidtke collection

Staedtler Mars 771

Staedtler, Germany

lead diameter mechanism composition variations production date origin	2 mm pushbutton spring clutch plastic barrel, metal fittings none circa early 1960s Germany
special features	interchangeable color-coded pushbutton
see also	Staedtler Mars-Lumograph 1021

This is one of the first Staedtler leadholders to utilize their system of interchangeable colored pushbuttons to indicate the lead degree. Each 12 pack of Staedtler leads to this day comes with a color coded plastic pushbutton.

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Staedtler Mars 773

Staedtler, Germany

lead diameter mechanism composition variations production date origin	2 mm pushbutton spring clutch plastic barrel, metal fittings none circa early 1970s Germany
see also	Staedtler Noris 777 drafting leadholder Bruning 83-403 drafting leadholder