An antler-horn-handled, pewter, beer mug presented to Art Marko as a gift marking his retirement. Art, who worked at CRNL from 1961 to 1989 and who received international recognition for his work in the field of radiation protection, was Director of the Health Sciences Division at the time of his retirement in April, 1989. The engraved message reads “Best Wishes For Your Retirement, Dr. A.M. Marko, April 1989, Ken & Donna”. Ken Whitlock and Donna Termarsh were members of the Health Sciences Division support staff who had served for many years during Art’s tenure as Division Director.