61.ni
Nickel plated, flat, sharp cornered holes | 61.ni1
Nickel plated, six dimples, sharp cornered holes | 61.bs
Blackened steel, six dimples, sharp cornered holes | 61.bs1
Blackened steel, embossed MECCANO, sharp cornered holes |
61.ni2
Nickel plated, embossed MECCANO, sharp cornered holes | 61.ni2a
Nickel plated, embossed MECCANO, rounded holes | 61.ni3
Nickel plated, flat, rounded holes | 61.ni4
Nickel plated, flat, no tail, rounded holes |
61.re
Early pea-red, flat, no tail, rounded holes | 61.dr
Dark red, flat, no tail, rounded holes | 61.nb
Blue, flat, no tail, rounded holes | 61.bg
Painted dark blue with yellow panels |
61.mg
Painted medium green with light green panels | 61.mg1
Painted medium green with lighter green panels | 61.lg
Painted light green with lighter green panels | 61.bk
Painted black with yellow panels |
61.bk1
Painted black with yellow panels both sides | 61.db
Painted dark(ish) blue with yellow panels ¹ |