■ Ribbon : purple, pale blue, purple … upper bar : floral design (stick pin) … in centre : crossed mallet and chisel … lower bar : horizontal mirror image of upper bar … attached to jewel with ring

■ Obverse : ADVANCED / 6•5•55 …in centre : SON OF MAN. MARK WELL around chisel and mallet with mason mark below … loop suspension

■ Reverse : Hebrew letters around triangle with keystone in centre

■ Dimensions : 33.1 * 38.5 mm … ■ Weight : 24.4 g

■ Materials : brass

■ NB : note the MARK in the RED circle