Bidspirit auction | Two Montblanc piston fountain pen

Two Montblanc piston fountain pen - Two Montblanc piston fountain pens, probably 1950s, black precious resin with gold-plated metal applications and company logo, 342 G with blue window and 344 G M, each with 140 C 585 Montblanc gold nib, each with Montblanc lettering engraved on cap, rubbed, L. 12.4 cm and 12.7 cm