50c on 25c Memorandum Postal Provisional Issue overprinted on the inside with
“Correos Nacionales” and “ Servicio de Fardos Postales” in two lines,
measuring 90 mm x 6 mm and 45 mm x 3 mm respectively.


GUATEMALA CIRCULATING                               1927, JULY 26
Verso with CARTERO / GUATEMALA / 12 in violet and BUZON No. 1 in blue
auxilliary markings.

NOT RECORDED

The overprint believed to have been done in 1927.