I like Rem, Win, most nato circle cross stamped and after that what ever is free! I've been loading some WIN and RP 45acp for 30 years with mild loads. You can still make out the headstamp for the most part, but next to a new case the difference is easy to see as the stamping looks to be both skinnier and only about 1/4 as deep or flat. Rarely a primer pocket will be loose, usually they get pitched because they don't have adequate neck tension anymore. Cast boolits will mask the neck tension issue until the next time you load up some fmj and the bullets are loose.