Ecuador, 1866, 4r Brown Red, 2nd printing, block of 4 (positions 79-80/92-93), o.g., hinge remnants, ample to large margins showing small portion of margin rule at bottom, rich color, small closed tear at bottom left of top left stamp, otherwise Extremely Fine, an extremely rare mint multiple, one of the largest known, ex-Goeggel; signed Buhler, with 2013 Moorhouse certificate.