NGC UNC DETAILS CLEANED (6639729-015).
Av. Around round central hole: PROJECT / T - M / NICKEL.
Rv. Around round center hole, Mercury representing Commerce and allegory representing Industry, below 2.
GEM.259.2 v. - VG.4111 v. - Maz.- (cf. 2319 with date); Nickel silver - 2.75 g - 20 mm - 12 h