Good price for a very nice, clean looking 3TTT (design and condition). Doesn't look like a "death stem" design either, so you should not worry using it.
Can't go wrong with that one! Have you priced other Italian stem lately, like plain/vanilla Cinelli 1As are going for such high prices these days (over a hundred bucks easy for NOS) while the 3TTT stems a re a bargain in comparison. ITM and 3TTT stems were both good enough that many famous Italian bicycle marques from the 80's used them to supplyr their pantographed stems for their fanciest bikes.

Chombi