Carse Antiques has dated this piece to the 18th Century.

The map is signed and dated "MARY HERMON, 1783"
SIZE; 25" high by 23" wide.
Carse Antiques has dated this piece to the 18th Century.
You can view the stock and full dealer information on the Carse Antiques Profile Page
Carse Antiques is a registered member of LAPADA