Vintage A.W. Faber Castell 873C/c Made In Germany Triangle Ruler Original Box

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Vintage A.W. Faber Castell 873C/b Made In Germany Triangle Ruler Original Box

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VINTAGE A.W. FABER-CASTELL ENGINEERING 853/Z1 TRIANGLE RULER, MADE IN GERMANY

Vintage A.W. Faber Castell 853/Z2 Made In Germany Triangle Ruler Architect