Montblanc fountain pen Meisterstück 149 18k gold

I bought it in Paris in 1986. The cap has a few faint dots of peeling. I am not sure exactly what it is, but it is a bold typeface type. It was used with blue ink. It is a suction type. The nib is marked 4810, mark, 18k gold, Montblanc, 750.

eBay