I listed this as a 1950's cymbal. But I have this inconvenient habit of trying to be honest ....
Please check this guy out?
https://www.ebay.com/itm/173409708382?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1558.l2649
One things for sure IMHO: it sounds too "fine" or sophisticated to not be 50s. That of course, is a HO!