Antoni van Leeuwenhoek's specimens In three boxes as follows: 1. Three glass slides with teased filaments from dried algae collected by Antoni van Leeuwenhoek. 2. Fourteen specimens mounted on metal stubs and coated in gold for scanning electron microscope. Housed in a labelled box. Including elder-pith fragment, cork sections and cottonseed, also collected by van Leeuwenhoek. 3. One envelope containing eight packets of dried specimens, previously protected in glass covership but now kept in their paper packets, the packets are numbered 1 - 9 with n.3 omitted, as original packet 3 was empty of content. With four envelopes containing portions of each sample prepared as part of the 2022 analysis. 1674-1687