cover 1933 (2 Jan.) OHMS envelope (265 x 175mm.) to Lieut.-Commander Horton on R.R.S. Discovery at Port Stanley, bearing 1933 Centenary of British Administration ½d. to £1 complete set of twelve each cancelled with superb c.d.s. and used on day of issue; varying degrees of foxing around the adhesives though a very rare franking