Samoa, 1898-1900, 2½d on 1d blue green, horizontal pair. Left stamp with broken "d." surcharge value variety, tied with single strike of "Apia, Samoa, Dec 29, 99" cds on registered cover to San Francisco, straight line "Registered" handstamp and "San Francisco, Cal, Feb 9, 1900, Paid All " backstamp, couple perf tone spots affecting right stamp, otherwise Extremely Fine. Scott No. 28  Estimate $200 - 300. $0 (Image)