I fixed this lovely Monte Rosa (Mont Blanc sub brand) fountain pen. I got it in a lot a couple of days ago and the cap was completely cracked and useless. I
1960 MONTBLANC Monte Rosa 042 fountain pen piston filler, Steno Medium steel nib | eBay
Extremely Rare 1960's Teal/Turquoise MONTBLANC Monte Rosa Fountain Pen Hooded Nib
MONTBLANC Monte Rosa 042G B&Bordeaux GT 50's Antique Fountain Pen 14C 585 nib/F | eBay
Vintage MONTBLANC Monte Rosa 042 fountain pen piston filler, OB steel nib | eBay
1961 MONTBLANC Monte Rosa 042 fountain pen piston filler, F STEEL nib | eBay