His job done, he sets off for Tom-all-Alone's, stopping in the light of innumerable gas-lamps to produce the piece of gold and give it another one-sided bite as a reassurance of its being genuine.

His job done, he sets off for Tom-all-Alone's, stopping in the light of many gas-lamps to produce the piece of gold and give it another look to reassure himself that it is genuine.
