1841, Postal Sationery 2d. blue envelope overprinted ‚SPECIMEN‘ in red attached to Postal Notice „TO ALL POSTMASTERS“ from the General Post Office in Edinburgh, April 1841. Usual light folds, the 2d. envelope was originally stuck with the outer tip of the flap to the notice.Very fresh state of preservation. Karl Louis BPP certificate (2025) (SG GBP 2.250)
