A Delft drug jar and metal cover 18th/19th century

A Delft drug jar and metal cover 18th/19th century, inscribed 'TONKA' within a blue cartouche of leaf scrolls surmounted with a vase of flowers, the cover later, 26cm. (2) Tonka beans are now a banned substance in many countries, but had a variety of occult and more mundane uses. Some believed that desires could be fulfilled by carrying around a bean until the wish came true and then burying or stamping on it.