53-65 (B1-13) 1915 ½d on 3pf - 5' on 5M Yacht set overprinted "C.E.F." and surcharged, cplt (13), only 1900 issued of the high values, relatively few of which were used, complete set canceled at Duala, with Gibbs certificate for complete set that these shilling values are from, several pence values are signed Kosack.
