Must de Cartier Trinity Fountain Pen. 18k nib.
Signature trinity 3 rings around cap. Logo on top of cap. Nib marked 18k and 750, and cartier logo. Tiny small marking on bottom of pen, looks like 1001 plus small marking.
In excellent, rarely used, condition. I started collecting fountain pens in law school. My left handed scrawl looks much better with a fountain pen.
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