Bought this vintage Montblanc pen from an eBay seller in Japan for $100. Seller guaranteed the pen as authentic, but I have some doubts. Was wondering if someone here could help me
1950's Montblanc 139 Celluloid Telescopic Piston Fountain Pen | Interior Boutiques – Antiques for sale and mid century modern furniture, french furniture, antique lighting, retro furniture and danish furniture.