You are looking at this really nice solid sterling silver handled William IV carving set, marked on the handles for Seffield 1830 with maker`s mark A & O , as per pictures . Small cracks and holes from overpolishing , but nothing serious .
The long knife is 364 mm long , the other knife is 267 mm long and the fork is 266 mm long .
Very nice set !
Any questions - please ask !
Thank you for looking and good luck !