Cornish Tankard Badge Pewter. Tregawne offer a great selection of Pewter Tankards with Badges. This Tankard will hold 1 pint ( approximately 568 millilitre) and has the Cornwall Badge on the front. We also offer the following Countries; Wales, Scotland, England and Ireland. Each of our Pewter Tankards are made by our British craftsmen and presented in a gift box. This Pewter Tankard can be engraving with your logo, name or personal message.