Antique Dutch Pewter 1/2 Liter Measure Anno 1891. Zwoll - H. Kamphof

On the handle the inscription 1/2 Liter. Marked on the outside of the bottom with H. Kamphof  - Zwolle voor Hendrik Kamphof in Zwolle. Under the rim circa 9 verification marks, starting with B for 1891 (Till p = 1905)
Literature:
Caster mark; Dubbe: page 374. Fig. 2134-9 
Verification marks: Wittop Koning / Houben – 2000 jaar gewichten in NL pages 94 & 95.

The Netherlands,
Zwolle - ANNO 1891

Height: 16,7 cm. (6,6 inches.)
Diam. base: 8,2 cm.  (3,2 inches.)
Weight: 922 grams.