Uh, no that would be a 48-50

I have a last-gen ('93- ) Camaro inside mirror (glue to windshield type). It has the map lights and is the prism kind (flip to dim). Gives a very good view despite the swivel not having quite enough movement on the near-vertical Bonus Built windshield. I'd bet it would be fine on your mid-fifty.

They were used on all kinds of GM cars, probably Fords too. Just cruise the boneyards.