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COOK IS. - 1898 (25 May) registered cover addressed to the Austral Cycle Agency in Sydney, bearing 1d, 2½d, 5d and 10d stamps (plus a cut out space presumably where a 1½d once sat) tied by 'Rarotonga' cds's, plus violet boxed 'Post Office / Cook Islands' Burge type A1 handstamp used as a registration stamp with manuscript date and violet 'R' alongside and two transit cds's on reverse. See additional info on the