I shot literally thousands of rounds of "Super-Clean", "Whiz-Bang", "Central V", "Bisley" and a couple of other offerings from C.I.L. available in the 50's and 60's. It was generally great quality ammo until Valcartier Industries took over, then it basically went downhill. If you have some of this ammo, it is achieveing some collector value, and might be good to refrain from shooting it. I have a question. Did anyone buy ammo from Xelex, or Ammomart in those years? These companies were former names for Higginson's Powders, and at one time, you could buy 22 Rimfire ammo Thomas brought in from France and a couple of other western European countries at remarkable prices. We shot a lot of that stuff, too. It often came in 100 round square boxes, and had a messy lubricant on it, but it always shot well. Gevelot was marketing their ammo in that period also, and we shot some of that, too. Those were the carefree days!! No PAL, No license, just plinking and knocking off gophers, Starlings etc. Ahhh, the memories! Regards, Eagleye.