Worked at Bovema / EMI Studios, where his work can be recognized by an "N" in the typical matrix scheme, e.g. -A//HN. In this case the H stands for Holland and should not be part of the ANV. More often, however, he signed his work by etching a combined initials "HN" (sometimes misinterpreted as "I‒N" or a sideways "TZ") after the matrix, e.g. 30471-3-X HN. In this case please use HN as ANV.
