I suspect that the thief was disappointed that his/her haul didn't contain something with quick street value, and I shudder to think that he/she may have tossed them because, small as they are, they are special. If you come across them, please let me know, and I will do the necessary to reunite them with their rightful owner.
On my watch, a handful of other items have been stolen. Notably, the two figures below, a stirrup cup and a unique equestrian figure, were stolen in transit to the US about ten years ago. Sadly, the latter too is the only one of its kind, and both have been lost forever.