Made by Griffin c1750.  Benjamin Griffin working with his son Joseph was at Bond Street, London from 1735 to 1770.

Measured at 0.595 in (ie 23 bore). Pitted but good bore.  Round turn-off 3 stage cannon barrel with swamped lip at the muzzle & a lug on the underside.  Plain touch hole.   Top of breach engraved with GRIFFIN.  Bottom of round section breach engraved with BOND STREET LONDON beside proof & view marks of the Gunmakers Company (which have a 2-character stamp in between them; one character may be an F).

Steel furniture: tang, trigger guard, lock, side cock & steel.

Sliding trigger guard safety.

Engraved decoration to: breach - floral at breach end; point of tang - floral, also with line & serrated line edging; trigger guard- simple floral in centre with line & some serrated line edging; trigger strap line & serrated line stops half way down; tail at rear of lock with floral decoration with line edging to part; line edging to hammer.  The trigger with scroll back.  

Silver butt cap with rampant lion surmounting a castle & stand of arms with a scallop shell at the base, hallmarked with lion passant & JA.  Silver false side plate with silver trophy of arms.  Silver escutcheon of asymmetrical shield over a stand of arms surmounted by a Roman gladiator helmet & engraved with initials HJ.  Round walnut stock swelling to the butt. Decorated in the Rococo style & presumably one of a pair.  Excellent quality & in good condition.

Notes:

See plates 108, 125 & 138 respectively in The Queen Anne Pistol by John W Burgoyne.

Part of Eric Griffiths collection.  Illustrated & described on pp 153, 156 & 157 in his book "Griffin of Bond Street".

There was not an assay office in Birmingham prior to 1773.  There are 3 London silver makers with the HM of JA (in script) registered in the period of manufacture (1743, 1766 & 1772 - see Jacksons 2011, pp 195, 214 & 215

Dimensions:

Bore: 23 Bore

Barrel Length: 13.4 cm

Overall Length: 29.4 cm