Transvaal 1905 TPO European Mail, KEVII Franking to USA

TRANSVAAL TPO / EUROPEAN MAIL / DN: 1905 Consolidated Gold Fields stationery envelope addressed to USA franked KEVII ½d, 6d & 2x 1d's tied good strikes of the Transvaal TPO European Mail (Direction: Down, towards Cape Town) cds's dated 6 MAR. Denver arrival backstamp. VF, uncommon representation of this very interesting railway mail, great destination. See additional image.