It was listed by Terrier Antiques at Hebden Bridge. Sold pieces stay on Sellingantiques as a record of what has passed through, and the next one is rarely far away.
Terrier Antiques at Hebden Bridge has dated this Vintage Enamel Advertising Sign to the 1900s.

c1910
This and other enamel signs are all from an old pen shop in London which recently closed.
Terrier Antiques at Hebden Bridge has dated this Vintage Enamel Advertising Sign to the 1900s.
You can view the stock and full dealer information on the Terrier Antiques at Hebden Bridge Profile Page