Part 1a (9½'')
| 1a.mm Tinplate with rolled edges | 1a.ni) Nickel plated steel | 1a.dg) Dark green | 1a.gy†.',800,128,'white')) Grey (part used in GRB)† |
1a.mg1.',900,84,'white')) Medium green (pre-war) | 1a.go) Gold | 1a.mg) Medium green | 1a.lg) Light green |
1a.si) Silver painted | 1a.zn) Zinc plated | 1a.db) Dark blue |
