Circular section, thicker at one end than the other. It appears to be the central section and most of the lower end of a toggle pin. Green incrustation.
By date unknown: with General Luigi Palma di Cesnola (from Cyprus); May 16, 1872: purchased by MFA from General Luigi Palma di Cesnola for $ 1,704.39 (this figure is the total price for MFA 72.1-72.473 and 72.4871-72.4900)
Museum purchase with funds donated by subscription