A Scarce Flintlock Rifle by Lacy & Co. With sighted octagonal barrel stamped with Birmingham proofs, plain tang, signed stepped lock, full-stocked in walnut with brass military style mounts, including side-plate, butt-plate and trigger guard and ramrod pipes. 

Notes

A similar example is held at the Tower of London - The notes say that this type of rifle were produced for Canadian Indian Chiefs. Object Number - XII.3009

The rifles of this type are also mentioned as 'Government Gift Flintlock Trade Rifles' 

De Witt Bailey (2002) British Military Flintlock Rifles 1740-1840, Andrew Mowbray Publishing, USA. 

Dimensions:

Bore:

Barrel Length:

Overall Length: