Panama, 1898, Registration, 10c yellow, used with Panama 1892 1c green, 2c rose pair, 5c blue, all tied by purple "Colon, 12 Nov 1898" cds on cover front only with preprinted address to Germany, endorsed " Via New York", "Registered" straightline handstamp, New York registry exchange label; edge tear at right, Very Fine and attractive. Scott No. Panama F2 + 15, 16 (2), 17  Estimate $500 - 750. THIS IS THE EARLIEST RECORDED USE OF PANAMA F2 ON COVER. $0 (Image)