1879, UPU 10c. black, horizontal strip of four and single stamp (fallen off and replaced with other stamp) with blue star cancel on slightly overfranked triple-weight registered letter with acknowledgement of receipt with adjacent cds. "ADMINISTRACION DE CORRESO SANATA ANA JUL 10 1885" to Dresden, some minor imperfections, the horizontal strip of four is the largest recorded multiple on entire, a fine and attractive usage
