materials of the tokens
a aluminium / b brass / bi bi-metal / bz bronze / k copper / p plastic / s steel - stainless steel / w wood / wm white metal - copper nickel - nickel / z zinc / zz unknown
tokens can have the colours
a aquamarine (example Pa is aquamarina plastic) / b blue (example Wb is wood with blue inscriptions) / d gray / e black / g green / i brown / o orange / p pink / r red / w white / y yellow / z purple