Lot
2820 
/
Mexico, 1866, Emperor Maximilian (litho), 7c lilac gray, San Luis Potosi, without district overprint, cons 58-1866, block of 16, o.g., only 4 stamps hinged, ample to mostly large margins, bright and fresh, vertical separation creases mostly between stamps, Very Fine, one of the largest mint blocks known, ex-Dormer (1977 Champion of Champions exhibit). Scott No. 26; $1,040 as singles Estimate $600 - 800.