O 47/17 AU 04" bridge type c.d.s. and showing, on reverse, "BASE OFFICE/BERBERA" single ring d.s. Fine and scarce. Photo" /> cover 1904 (17 Aug.) 1a. on 2a. 6p. stationery envelope to Essex cancelled by a good strike of the "F.P.O. N<V>O 47/17 AU 04" bridge type c.d.s. and showing, on reverse, "BASE OFFICE/BERBERA" single ring d.s. Fine and scarce. Photo | Christie's