Villeroy & Boch - Mettlach #1526, dated 1928. 
Villeroy & Boch - Mettlach #1526, dated 1928. 
1 Litre Hacker Brau stein "Prosit" 
Artist's signature on behalf of Albin Diersch below the handle on the above "Prosit" stein. 
The 11th German National Singer's Festival, 21st - 24th July, 1932. 
Retailer's base mark on the above stein. 
Reseller's ink stamp on Villeroy & Boch - Mettlach #1526, dated 1914. 