Lot 61636 – 1920 30c black on rose, « G. Mejia » greyish blue trial ms overprint

1920 30c black on rose, « G. Mejia » signature by Gonzalo Mejía on marginal example with o.g., featuring a signature trial in greyish blue in contrast with the issued ms overprint in red, prepared for the issue of consular stamps designated to the United States and which were sold in New York; one of just three signature trial overprints in existence (two applied on this denomination, and the third on the 50c, which is offered as the next lot in this sale), being unique with the signature in this colour, an essential piece for the advanced collection of Colombian airmails, and of great significance as the forerunner of the Consular Mail; cert. Bortfeldt (2008); ex SCADTA archive.