Lot 40618 – 1858, 1d blue, used strip fo six

1858 1d blue, a remarkable strip fo six from a valuable location in the sheet showing the connection of two panes of twenty subjects including types 9-10 and 6-7-8-9, good to huge margins, cancelled by « CHACH » dotted oval hs of Chachapoyas, illustrated in the Moll catalogue on page 102 and listed as one of the few outstanding items for this issue; a very rare cross-pane multiple; cert. Moorhouse (2013); ex Eitner.