On the handle the inscription 1/2 LITER. Marked on the outside of the bottom with an oval caster mark with:
H. Kamphof Zwolle for Hendrik Kamphof. (Working 1864 – 1923) Under the rim circa 29 verification marks, starting with P for 1880 till M = 1938
Mark verification office: 16 = Zwolle.
Literature:
Caster mark: Dubbe 2009 Page 374 Fig. 2134 -13
Verification marks: Wittop Koning / Houben – 2000 jaar gewichten in NL. Pages 94 & 95.
The Netherlands - Zwolle
ANNO 1880.
Height: 16.3 cm. (6.4 inches.)
Diam. base: 8,2 cm. (3.2 inches.)
Weight: 851 grams