Venti-panes is the factory name for wing windows. This is my 1951 Dealer banner.
http://good-times.webshots.com/photo/2819870790102454676aVpoeL

The stiker plates look like this. Look through the catalog and you will see the difference in latches/plates.

http://www.classicparts.com/1947-51-Door-Striker-Pair/productinfo/18-625A/
http://www.classicparts.com/1952-63-Door-Striker-Pair/productinfo/18-629A/