Bidspirit auction | 3RNCH12 Commemorating The Bi -

3RNCH12 Commemorating The Bi - Centenary of the Formation of the Hydrographic Office. Personally Signed by 5. R/Ad G S Ritchie CB, DSC Hydrographic 1/66 - 2/71, R/Ad G P D Hall CB, DSC, Hydrographic 2/71 - 9/75, R/Ad Sir David Haslam KBE, CB Hydrographic 9/75 - 2/85, R/Ad R O Morris CB, Was Hydrographic 2/85 - 2/90, R/Ad J A L Myres CB, Was Hydrographic 2/90 - 2/94. Certified Copy no of 90 Specials Issued.