@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