MEXICO 1861 CANCELLATION ARGENTINA Stamps 1c ob 20c black &

1c ob 20c black & claret a fine mint copy with variety OVERPRINT INVERTED

Airmail cover franked with 1949 60c grey olive & 1953 5c orange & black postage issues (SG 1130 & 1185) plus 1954 10c on 3c dull blue & 50c on 3c dull blue 'Semana de Communicaciones' overprint issue all tied by boxed MANAGUA cds's

'2 cts' on 20c yellow 'Hass' issue a fine unused block of four

Ex Schimmer

Cover franked with single 1923 30c deep green (SG 426) tied by TAMPICO

MEXICO 1861 CANCELLATION ARGENTINA Stamps 1c ob 20c black &Circa 1861. Cover franked with 1861 1r grey black on green 'Hidalgo' issue with 'GUANAJUATO' district overprint (SG 9a, Follansbee #7) tied by '0' rate marking in black with good strike of large oval LEON DE LOS ALDAMAS cancel in black alongside. Addressed to GUANAJUATO.