Worlds first Porcelain Stamp - Augarten Wien, Fully Porcelain, Mint with Booklet
- Source: eBay
Worlds first Porcelain StampThe new Augarten Porcelain stamp Fully Porcelain, Mint within booklet Tradition meets innovation
A newly developed method was necessary to make the 11 -ounce and 4 millimeters "thin" stamp series . Each of the 150,000 marks was burned in the so-called biscuit firing at 960 degrees Celsius 24 hours , glazed and hardened again . In order for the porcelain stamp is particularly resistant and can easily be sent . To ensure color fastness for the stamp , the ink was screen printed and fired at high temperature.