Panama, 1903-04, Registration, 10 on 20c red brown on blue with First Panama Overprint, used with Panama 10c yellow with second Panama Overprint, tied by "Panama, 7 Dec 1903" duplex on preprinted cover to Naples, Italy, red crayon "127"; vertical fold at center affects F8 and light cover wrinkling slightly affects 10c, Very Fine appearance. Scott No. Panama F8 + 67  Estimate $300 - 400. ONE OF THREE RECORDED FIRST DAY OF NEW RATE COVERS. $0 (Image)

Panama, 1903-04, Registration, 10 on 20c red brown on blue with First Panama Overprint, rose overprint, blue "9420" handstamp, used with 10c yellow with First Panama Overprint, tied by blue black "Panama, 23 Dic 1903" duplex to Virginia Pa., red crayon "110", purple New York (1.5) backstamp, Very Fine. Scott No. Panama F8 + 54  Estimate $300 - 400. $0 (Image)

Panama, 1903-04, Registration, 10 on 20c red brown on blue with "Panama" overprint, red manuscript "10c" value and line through "Colombia", manuscript "1209" number, used with Panama A.R. 10c blue on blue and 1904 10c orange, two singles, tied by two strikes of purple "Bocas del Toro, 3 May" cds on cover to New York City, purple New Orleans (5.10.1904) and red New York (5.13) backstamp, red "19754" registry number, Very Fine. Scott No. Panama F25 + H21, 79  Estimate $500 - 750. THE ONLY RECORDED USE OF PANAMA H21 ON COVER. $0 (Image)

Panama, 1903-04, Registration, 10 on 20c red brown on blue with "Panama" overprint, red manuscript "10c" value and line through "Colombia", manuscript "1424" number, used with 1904 10c orange, tied by purple "Bocas del Toro, 24 May" cds on gray cover to Chicago Ill., purple "Registered, Mobile, Ala. Jun 1 1904" backstamp with Mobile registry exchange label (FX-MOB1), purple Chicago (6.3) backstamps; tiny edge tear, Very Fine and rare label. Scott No. Panama F25 + 79  Estimate $500 - 750. $0 (Image)