single with "Panama" overprint split horizontally (14.16), used alongside two 1904 1c Green (9), 1904 5c Blue (12), and 1904 10c Yellow with "M" tall, thin, and without serifs in left "Panama" (13.12), all tied to January 10, 1905 cover from Cristobal to Brattleboro, Vermont, small faults including tear between stamps, otherwise very fine and scarce franking