![1950s MONTBLANC Masterpiece/Meisterstuck Celluloid 142 KM Kugel/Ball Medium Super Flexible Nib Telescopic Piston Fountain Pen Fountain Pen Nib Sizes KM EEF BB BBB OB OBB OM HEF KEF KF DF DEF SB 1950s MONTBLANC Masterpiece/Meisterstuck Celluloid 142 KM Kugel/Ball Medium Super Flexible Nib Telescopic Piston Fountain Pen Fountain Pen Nib Sizes KM EEF BB BBB OB OBB OM HEF KEF KF DF DEF SB](https://www.protopens.com/media/catalog/product/cache/1/thumbnail/545b7d8c2961a2f8e0ee77da01d7b56a/d/s/dsc_0598_2.jpg)
1950s MONTBLANC Masterpiece/Meisterstuck Celluloid 142 KM Kugel/Ball Medium Super Flexible Nib Telescopic Piston Fountain Pen Fountain Pen Nib Sizes KM EEF BB BBB OB OBB OM HEF KEF KF DF DEF SB
![Montblanc Masterpiece 142 Füllfederhalter - Edle Schreibgeräte und Accessoires 2019/04/29 - Starting bid: EUR 220 - Dorotheum Montblanc Masterpiece 142 Füllfederhalter - Edle Schreibgeräte und Accessoires 2019/04/29 - Starting bid: EUR 220 - Dorotheum](https://www.dorotheum.com/fileadmin/lot-images/10P190429/normal/montblanc-masterpiece-142-fuellfederhalter-6157539.jpg)
Montblanc Masterpiece 142 Füllfederhalter - Edle Schreibgeräte und Accessoires 2019/04/29 - Starting bid: EUR 220 - Dorotheum
![Stunning 1950s MONTBLANC Masterpiece Celluloid 142G Long Ink Window OBB Flexible Nib Telescopic Piston Fountain Pen Stunning 1950s MONTBLANC Masterpiece Celluloid 142G Long Ink Window OBB Flexible Nib Telescopic Piston Fountain Pen](https://www.protopens.com/media/catalog/product/cache/1/thumbnail/545b7d8c2961a2f8e0ee77da01d7b56a/d/s/dsc_0193_1_3.jpg)