Not so vintage at all, nor is it a fountain pen! Believe it or not, Catalog #73 has this attractive sketch pen; a Limited Edition #328 in clear acrylic. If you are going to use a pencil, it should really be a pencil! This is a new-old-stock pencil, mint in its original box with papers, leather pouch, and outer box.
I love this pencil! A demonstrator pencil is more interesting than one may think, especially one with a button-activated clutch and such thick lead.