The pewter butter cup with screw cap. The top engraved with : DR KOOL between two circles.
Literature :
Same butter cup shown in : 40 years – Jan Beekhuizen, Page 6.
The Netherlands,
about 1800.
Height: 6 cm. (2,4 inches.)
Diam.: 8 cm. (3,2 inches.)
Weight: 263 grams.