<< Back to 1887 1/2d Vermilion
References
– 1981, The GB Journal, vol.18 p.62, “Plating Aids for Control Pieces of the 1/2d Jubilee, 1886”, Peter Young
– 1981, The GB Journal, vol.19 p.11, “The Function of Victorian Control Letters”, Peter Young
– 1982, The GB Journal, vol.20 p.32, “The Function of Victorian Control Letters”, W. A. Wiseman
– 1982, The GB Journal, vol.20 p.72, “Plating Aids for Control Pieces of the ½d Jubilee, 1886”, Peter Young
– 1982, The GB Journal, vol.20 p.75, “The Function of Victorian Control Letters”, Peter Young
The 1887 Jubilee Issue 