Hi guys, first time poster here. I'm wanting to identify these rifles which were found in the bottom of my Grandmothers cupboard recently. I believe they've been in the family for 100 yrs (or more). I'm in Australia and I'm aware this is predominately a US forum so the stock markings maybe...

Yesterday I went into an antique shop near my house and bought an ELG black powder percussion rifle for $100. I did some research and found that it was made between 1810 and 1853 making it 163 to 206 years old. I know it's Belgian but I'm not sure of the caliber or what it's really worth. The...