Guatemala: 20 Quetzales 1972-83 SPECIMEN, P.62s with two oval stampa ”Specimen-no value De La Rua & Co Ltd” at upper left and lower right, Specimen overprint at center, Specimen number ”N° 017” at lower left margin and printers annotations at upper right corner. Traces of glue at right border on back and edge bend at lower left corner, condition: XF