Canal Zone, 1904, 10¢ yellow, inverted "V" for last "A" of right "Panama", positions 85 & 90, couple short perfs, tied by "Canal Zone" bars cancel on cover to Colon, matching "Canal Zone, La Boca, Jul 16 1904" origin cds; Cristobal (7.16) transit cds at right, slightly rough opening at left, F.-V.F. Scott No. 3 var.  Estimate $750 - 1,000. ONE OF ONLY TWO RECORDED EXAMPLES OF THIS VARIETY MAILED ON THE LAST DAY OF PROVISIONAL OVERPRINT USE. $0 (Image)