@magnargj the pen is lovely. Looks like a M600?
@paradoxmo Thanks! I will need to check, but now I left on a trip, and I don't dare to bring it on plane rides ๐Ÿ˜„
@paradoxmo Back from my trip. It is an M415
@paradoxmo I also have a 400 from probably around 1960 #pelikanpens #fountainpen #fountainpens
@magnargj nice. So the first pen is silver trim? Looked like gold based on the lighting but I can see it now
@paradoxmo It has a gold trim, but it is lacking the two metal belts at the base of the piston screw.
@magnargj Interesting that in this case the 5 doesnโ€™t mean silver trim like it does for the main series
@paradoxmo Don't really have a clue about this ๐Ÿ˜œ , but I found it here: https://www.pelikan-collectibles.com/en/Pelikan/Models/Souveraen-Series/M400-Basis/index.html
and I bought it that year (2009/10)
Pelikan Pens M400 M405 M415 M420 M425 M430 and M450

Pelikan piston filler souvereign M400 Old Style, M400, M405, M415, M420, M425, M430 and M450

Pelikan Pens 400NN 500NN 520NN 600NN 700NN and 400 NN Merz and Krell

Pelikan piston filler model 400NN, 500NN, 520NN, 600NN and 700NN from 1956 to 1965

@Suspect_Similar yep 400NN. Iโ€™ve got a black one
@Suspect_Similar @paradoxmo You're absolutely right! Thanks ๐Ÿ™‚
@magnargj It looks like the gold version of one I have. I really love that warm color.