Nice large silver tankard, 830/000. so-called Humpen

Nice large silver tankard, 830/000. so-called Humpen, decorated with a broad rim with knerren fantasy pattern, located at three legs with crowned lions leaning on a ball. Provided with a hinged lid having at the center a Danish old coin, IIII marck Dansk, 1671, with different machined edges and a thumb stop, in the form of a lion. Norwegian inspected. MT.:AxS. Provided with engraving on the soil; 1914- 2 Januar-1964. 18x23x21cm. ca 1190 grams. In very good condition