Verlag: Royal Meteorological Society 70 Victoria Street Westminster SW. 21 March, 1906
Anbieter: Richard M. Ford Ltd, London, Vereinigtes Königreich
Manuskript / Papierantiquität Signiert
1p., 4to. On bifolium. In good condition, lightly aged and smudged paper. Engraved copperplate certificate. Signed 'Francis Campbell Bayard' and 'Hugh Robert Mill'.