Mexico, 1913, 1c//10c red & black, with green seal, seven complete tête-bêche sheets of 10; includes colorless roulette 3c & 10c with papermaker's watermark, colored roulette with 1c & 2c each showing "Sojerano" error in position 3, two 3c sheets - one with "Centavo" error in positions 2 & 8 and other with "erano" error in position 4, and 10c, without gum as issued, some minor flaws, generally Very Fine. Scott No. 337//346  $605 for singles. $0 (Image)