Bechuanaland SG111e 1935 Silver Jubilee 1d Double Flagstaff on Cover BPA Cert

1935 (11 Dec.) envelope registered from Mbabane Swaziland to London bearing set of four each cancelled by neat despatch c.d.s. the 1d. showing variety double flagstaff a very fine and rare cover. B.P.A. Certificate (2017). S.G. 112-114 111e (cat 700 pounds as a used stamp). Caerynn November 2017