Onoto No.3 Prototype fountain pen, boxed with Onoto certificate, white metal casing Sale 270921 - Lot 1589 -

Lot 1589 , Onoto No.3 Prototype fountain pen, boxed with Onoto certificate, white metal casing

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Onoto No.3 Prototype fountain pen, boxed with Onoto certificate, white metal casing

£300-400

Sold for £440