Signatures and factory marks are generally very helpful when collecting ceramics.
On Delft jewelry, however, they are often quite difficult to interpret.
The final picture shows later period III mass produced screen prints, stamped 'delfts holland'.
Period III, 1958-1999: screen printed cabochons; the VK mark has been skipped, and there is a 'delfts holland' stamp on the reverse. The letters v and K are connected, but it is not known whether this indicates that it has been painted by Frans van Katwijk personally, or that it represents an early version of the VK factory mark.The small pictures can be enlarged by hovering your mouse over them.On your touch screen tap a small picture to view it in the main window. Please remember that it is important to look both at the decorating style and the signature before drawing any conclusions.One signature is in capitals - probably the oldest - and the other one is in script. The output of the Van Katwijk workshop can therefore be divided in three time periods.Woerlee never uses his initials on Verwoerd medallions - he did with Van Katwijk - nor did any of the other decorators. Period I, 1946-1953: hand painted, mostly during Frans van Katwijk's lifetime; signed 'Delfts Holland' with occasionally a decorator's mark.