Cover franked with 1925 1c green 'Portrait' issue (SG 345) tied by HAVANA machine cancel dated 1 JAN 1930. Addressed locally and assessed as postage due with 'T won' manuscript marking on front and straight line 'DETENIDA FOR FALTA DE FRANQUEO' marking on reverse with '14 JAN 1930' datestamp and added 1925 1c green 'Portrait' issue with 'T' in circle handstamp applied on front to pay the postage due. Unusual.