I still remain with BPO = Branch Post Office (For whatever reason)
Mails from the UK and Foreign countries ar landed at the Tschinde mouth of the Zambesi.
The Port of entry for the BCA
Mails are sorted there at the "Office of Exchange"
"Chinde" Squared circle Pmk has been noted at Stamp Auction as a receivers strike.
https://stampauctionnetwork.com/IK/ik4350.cfmBritish Central Africa Postmen, with their Snider-Enfield Rifles.
(They would cover up to 25 miles per day as runners)
