Corinphila Auction 284-290 Day 3

1866: 4 reales red, an unused block of four showing variety "Printed on Both Sides", the obverse with marginal frameline at top and one or two tiny scuffs, the reverse in the characteristic deeper shade of brown-red and exhibiting the full horizontal marginal frameline (positions 4-5/17-18) and large part og. Excellent appearance and a tremendously rare stamp in a multiple.