Cuba 1910 - EDIFIL 89 - 241x106mm Serafin Sanchez stamped envelope.
Used within Havana in 1911. Indicium canceled with HAVANA, CUBA JUL 19, 1911 duplex cds. This envelope is the variety with "WATERLOW & SONS, LONDON WALL, LONDON" embossed on the upper left inner margin of the envelope. Also, this is the wove paper variety, which is much more scarce than the laid paper type. There are three vertical folds present, one exactly down the middle of the envelope and two more to the left of that. Cleanly open at top and no reductions or any other defects. Very scarce, seldom seen item. The 2012 EDIFIL catalogue value is € 150,- or around US $ 195.- for the laid paper variety.