Name that Waterman?

[Niner]

I don't know the model of this Waterman (perhaps it's a Laureat?), which model of converter it takes, or whether the nib is gold or gold plated. I'd be thankful for any help.

83023

83024

83027

83028

[Wile E Coyote]

Yes, Laureat. Waterman or any international converter.

[carlos.q]

… and gold plated steel nib.