Lot 60502 – 1854, 1r bluish grey, a stunning sheet-corner used example

1854, 1r bluish grey, an astonishing example from the lower left corner of the sheet with enormous margins on the external sides of the sheet, being large in the other two, cleanly cancelled by circular dotted postmark, of incredible freshness for this shade making this example even more distinguished, undoubtedly one of the finest and most spectacular examples of this stamp; cert. Graus (1989); ex Aguinaga.