6.mm
Tinplate with rolled edges | 6.ti
Tinned steel | 6.st
Bright steel | 6.ni
Nickel plated steel |
6.dg
Dark green | 6.mg1
Medium green (pre-war) | 6.go
Gold | 6.mg
Medium green |
6.lg
Light green | 6.si
Silver painted | 6.ni1
Nickel plated | 6.zn
Zinc plated |
6.zn1
Zinc plated, five holes | 6.db
Dark blue | 6.re
Red (Dynamic sets) |