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  imprint reads: "Ero 4040   made in Germany  — 2H"

Ero 4040

Ero, (Germany)

lead diameter
mechanism
composition
variations
production date
origin
2 mm
pushbutton spring clutch
plastic barrel, metal mechanism
barrel color: blue, red, ?
degree imprint: F, H, 2H, ?
(1970s)
Germany