Symbol guide
AK jewelry mark
AK jewelry mark includes A. Kalberg, A. Kinsbergen, A.H. Kuijlenburg, and A.J. Keizer. Mark periods include 1900–1999.
Related marks
9 marks
Distinguishing the recorded devices
Compare whether A and K are plain letters or sit inside a lock-shaped outline. Keep a trade name and any adjacent purity stamp with the initials. A matching pair of letters without the same outline can belong to a different maker.
What to check next
Use the matching maker examples below to compare the full emblem and lettering. Preserve the position of a purity number relative to the device: a number inside a registration punch and a separate metal-standard number serve different roles.