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Staedtler Mars- Masterbow Drafting Set Made in Germany Compass Set 2 Pc Vintage

Vintage Staedtler Mars Masterbow Drafting Set & Utrecht 4M-50 drafting compass

Staedtler Mars-Masterbow Drawing Drafting Compass Set Vintage German

Vintage Staedtler Mars Masterbow Precision Drafting compass Set Germany VGC

Staedtler Mars Masterbow Drafting Compass/Divider Set in Blue Case (see pics)