[TARNATION !!!]

Came across this today. Anyone have experience with such a gun? Good or bad??
Cheers,
Jack

Manufacturer: MANTON - LONDON, ENGLAND
Condition: Good
Model: 12 GAUGE PERCUSSION SIDE BY SIDE
Trigger Weight: 5 lb

ORIGINAL MANTON PREMIUM GRADE ENGRAVED 12 GAUGE DOUBLE BARREL SIDE BY SIDE PERCUSSION SHOTGUN, 31″ round DAMASCUS barrels, ENTIRELY HANDMADE in LONDON, ENGLAND. PRESENTATION GRADE FANCY EUROPEAN TIGER STRIPED WALNUT STOCK with PLATINUM ESCUTCHEON INLAID in bottom of stock. ENGRAVED SIDELOCKS, ENGRAVED HAMMERS, ENGRAVED LOWER TANG, ENGRAVED TRIGGER GUARD, ENGRAVED BUTTPLATE, ENGRAVED RAMROD GUIDE, ENGRAVED SCREW HEADS, PLATINUM INLAID BARREL BANDS, FANCY DESIGNED PLATINUM INLAID FRONT SIGHT, PLATINUM BLOWOUT PLUGS on each side of barrels at breach. GOOD CONDITION.