1. Coin: æ semis Bookmark Museum number: 8-8133 Culture or time period: Nerva–Antonine Dynasty (96–192 AD) Object class: Coins (money) Function: 7.5 Issued Currency and Associated Containers Production date: 117-138 AD Dimensions: weight 3.751 grams Collector: Fredrica Lippman Lindgren and Henry Clay Lindgren Person depicted: Hadrian (Emperor of Rome)