Lot 61640 – 1921 30c black on rose, hand overprinted with framed « Servicio Postal/Aéreo de Colombia/PANAMA », consular forerunner

1921 30c black on rose, hand overprinted with framed « Servicio Postal/Aéreo de Colombia/PANAMA » three-line rubber device, used with Barranquilla circular hs in violet, minor creases and traces of toning along perforations; one of only four stamps recorded with this overprint, all being lightly struck, (an additional example, unused, is known for the 50c and was part of the James C. Johnson collection); ex Goeggel

Note: After the Gonzalo Mejía experiment in New York, a further attempt was made at the SCADTA Agency in Panama, where few examples of the first and second issues received this special cachet and were sold in 1921. this issue, as the first experiment by Mejía, are considered as consular forerunners. .