Lot 10301 – 1877, 50r blue, horizontal block of six on registered cover

1877, 50r blue, horizontal block of six, blue dot at lower left being an ink spot and not related to the printing, used on reverse of Feb. 1883 registered envelope to Nazareth, lightly cancelled by segmented cork cancels and tied on arrival by Nazareth French-type cds, registration number on obverse, non contemporary notation below the block, climatic discolouration and suspicion of one stamp missing at left of the block, although this multiple was already correctly paying the single registration rate; the largest franking and the largest multiple recorded of this value on cover, this being the only example known.