Lot
357 
Panama, 1903, Registration, 10c on 20c brown red with 2nd Panama overprint, blue "4768" handstamp, used with Panama 1903-04 2c rose pair and 20c violet with first Panama overprint, all tied by two strikes of "Panama, 29 Abr 1904" duplex on cover to Waltham, Mass., red crayon "4", New York (5.10) and Troy N.Y. (5.12) backstamps, blue "94673" handstamp ties registry stamp; light stains at left, Very Fine. Scott No. Panama F10 + 72 (2), 73 Estimate $1,000 - 1,500.
ONE OF ONLY TWO RECORDED EXAMPLES OF THE PANAMA F10 REGISTRY STAMP ON COVER.
Both recorded examples of this registry stamp used on cover are from the same sender used on Apr. 29th 1904, one to T.F. Harrington in Waltham, Mass. and the other to Frank Harrington in Troy N.Y.
Realized: $1,000