The catalogue code is based on the first 4 letters of the issuer, followed by 1. Should there exist different issuers with the same first 4 letters, subsequent digits will be used. After a hyphen then follows the numbering: 01, 02 or 001, 002 when large series will be the subject.  

 Front of the token.

Usually the side where the company's name or logo is displayed

Back of the token

Usually the side where the value or purpose is displayed, but often blank.

  Outer circular structure of the obverse of the token and the adjacent outer border

 The outer circular structure of the reverse of the token and the adjacent outer border

A = Aluminium | B = Brass | Bz = Bronze

C = Copper | G = gold coloured/gilded | S = Iron (magnetic) | SS = Steel (not magnetic)

L = Lead | Z = Zinc or Zamac

Ag = Silver | T = Tin or Pewter

WM = White metal, alloy, Copper-Nickel, or Nickel (light magnetic)

/ = over (e.g. WM/B is White metal over Brass)

 The token diameter from left to right in "millimetres" and accurate to one-tenth of a millimetre

ch = central hole | sd = solid: no hole

sq = square hole | st = star hole

pc = pierced (mostly on the top of the token) (hand made)

An additional mark (number, symbol, value, code) placed on a token.

Normally the token exists also without countermark, or with different countermarks.

The countermarks listed are confirmed.

Countermarks stating the name of an enterprise will be listed under the name of that enterprise