Token - Electrolytic Zinc Co. of Australasia Type 4b - Mines Pass

The Electrolytic Zinc Company of Australasia operated a zinc refinery on the banks of the Derwent River in Risdon in Hobart in Tasmania between 1920 and 1984. According to Harper the EZ Company used the discs as part of the wage payment system for the company employees; and as an entry pass to the refinery (Surface) and for the company zinc mine (Underground) in Rosebery on the West Coast of Tasmania.

Type 1 Brass – Diamond - no hyphen between digits (NH 92)

Type 1a Wages disc: Brass 38 mm – One to four digits - engraved numbers(NH 92)

Type 1b Wages disc:  Brass 38 mm - One to four digits - stamped numbers (Stokes Australia reverse)

Type 2 Brass – Four dots – hyphenated numbers - Stokes Melb reverse(NH93)

Type 2a Wages disc:  Brass 40 mm hyphenated with large digits (NH93) (10 mm)

Type 2b Wages disc:  Brass 40 mm hyphenated with smaller digits (6 mm high)

Type 3 Brass – Diamond - hyphenated (NH94)

Type 3a Wages disc:  Brass 38 mm hyphenated with small letters (NH94)

Type 3b Wages disc:  Brass 38 mm hyphenated with small letters (numbers both sides) (Stokes Reverse)

Type 4 Aluminium -  Mine Pass Surface medal - stamped digits -STOKES MELB Cast on reverse (NH95)

Type 4a:  38.5  mm  - Diamonds - larger digits (NH95)

Type 4b:  40 mm - Four dots - small digits

Type 5 Aluminium - Mine Underground medal- Diamonds -Named (NH96)

Type 6  Wages disc:  Zinc 38 mm - One to four digits (incised)