A complete set of manuals,v1-v10. The 8-volume History of Engineering and Science in the Bell System--not really a Unix artifact but an impressive memento of the Bell Labs experience. Unix rates several pages in it. A mock license plate, generously given to me by Jon Hall. A polyomino puzzle that I solved with the help of Gerard Halzmann's Spin model-checker. The opportunity for such an "abuse of tools" illuminates Unix and CSRC as a productive meeting place for disparate disciplines, occupations, and pastimes. Doug