Ancient Greece, Islands off Attica, Aegina, Triobol or Hemidrachm, (490-485BC) Obverse: Turtle with collar and a single row of scales down the middle, Reverse: Incuse square with skew pattern, Sear 1856, 2.95 grammes, Good Fine/VF, comes with old collector's ticket
Estimate: 50-75 GBP