You have Hogdon H4895. 4895R is a Russian surplus powder that is new MFG. I bought 12 8lb caddies about 6 years ago when it was running 78.00 per 8lbs. Burn rate is between IMR 4895 and IMR 4064. You can still get it from Pat's Reloading or Jeff Bartlett.
Best regards,
Grit