Antique Pewter has dated this piece to the 18th Century.
Antique English pewter plain rim plate by John Osborn II of London, England, who worked from 1785. The plate has a partial set of hallmarks to the reverse, along with a crowned X.

Condition:
The plate is in good condition with an unpolished finish to the front, there are some knife marks to the front showing signs of use. The reverse is also unpolished.
Repairs: There is a small rim split repair on the reverse.

Size: 9.625 inch diameter (24.50cm).
Weight: 524 grams.
Pewterer's reference number:
Pewter Society: - PS6934.
Cotterell: Old Pewter: Its Makers and Marks - OP3451.
Shipping costs:
UK: £10.00
Europe: £20.00
USA/Canada: £30.00
Other countries: Please ask.
Stock number: PP2.
Antique Pewter has dated this piece to the 18th Century.
Antique british & european pewter.
You can view the stock and full dealer information on the Antique Pewter Profile Page