This little plate has a faint stamp of Wilton.

Wilton produced numerous Bicentennial plates, along with pewter mugs, cups, and teapots,

Plate diameter: 6″

History, links, and additional info:

Available resources about the history of the manufacturer and/or origin and the item.

Wilton goes back to the late 1800’s, but the company gained momentum in the mid-20th century when it patented Armetale (an polished alloy alternative to silver). The foundry was sold in the early 2000’s and the Armetale name is now owned by Mikasa.

• Unofficial history of Wilton Armetale at rain4us.net (last revised 2001).
• Wilton Armetale sells in 2010 according to Lancaster County News.