Does the SN have a CB prefix? If so, it would be the 300H&H (The Kudu, IIRC) rifle in the Craig Boddington series. Good price if it is a CB No. 1.

Is life so dear, or peace so sweet, as to be purchased at the price of chains and slavery? Forbid it Almighty God! I know not what course others may take, but as for me, give me liberty of give me death! P. Henry

Deus vult!

Rhodesians all now