Shown here Montblanc fountain pen model 149.  It is in good used condition. This is the piston model where the very bottom part is unscrewed pushing the piston up towards the nib and then the nib is immersed in the ink and while screwing the bottom part back in, the piston draws the ink into the reservoir. The clip has EVSOO134 and GERMANY  stamped into it. There are very few minor scratches with one a bit more prominent. The nib is 18K gold and is medium. $425