What is inside a frog mug?

A frog mug contains a small, three-dimensional ceramic frog positioned inside the base so it emerges as the drinker finishes the beverage. Potters added these creatures as practical jokes or tavern drinking challenges during the eighteenth and nineteenth centuries.

How do I date an earthenware tankard?

Dating relies on the ceramic body type, such as early slipware versus later pearlware, alongside stylistic clues and historical commemorations. Inscriptions, royal cyphers and specific manufacturing techniques help narrow the decade of production across the seventeenth to nineteenth centuries.

Were these tankards used for daily drinking?

Many of these vessels served practical roles in taverns and homes for consuming ale, beer and cider. Others functioned as commemorative pieces for coronations, school records or weddings, intended primarily for display rather than daily service.