32-20 ammo? How do I know it's okay for my revolver?

Wondering how old this Rem UMC 32 WCF case is? - General Ammunition Discussion - International Ammunition Association Web Forum

HE Model of 1905 .32-20

32-20 WINCHESTER +P Hard Cast

Your Less Common Caliber(s) - OK, Who Shoots a .32-20?

32-20 Winchester - Wikipedia

Shooting the .32-20 Handloader Magazine

Throwback Thursday: .32 ACP — Worthless or a Good Defense Caliber? - The Shooter's Log

32-20 – Land & Goove

Smith & Wesson's .32-20 M&P - Shooting Times

The .32-20 - American Handgunner