40 grains of IMR 3031 and DKT 193 gr bullets worked well in my 9,3x72r's. I don't vouch for the safety of any loading i quote here, or anywhere else, though....have to say that, sorry...

I think that your gun may have been made January, 1908. Depending on condition, it may be worth anywhere from $1,000.00 to $1,800.00 right now, according to the market. It is a good one, and you should keep it. The hammer drillings in this configuration don't command the high prices paid for hammerless drillings in more modern configurations, but they are wonderful guns that need to be used afield...!

I had my best day ever in the field as a 12 yo kid with my first drilling, a Charles Dailey Diamond Grade sidelock in 12 and 30-30. I mowed lawns and cleaned garages for three summers to buy it. I took 7 chucker, 15 valley quail and a 34" 5x5 mule deer the same day with that drilling...back when we had that kind of hunting here in Northern Nevada...long gone...