Bidspirit auction | 1828 stampless cover with ”POONA”

1828 stampless cover with ”POONA” boxed cached in black alongside unidentified Red cachet & ”G.P.O./AP26/182*/A.M.” pmk at back to Bombay - 1828 stampless cover with ”POONA” boxed cached in black alongside unidentified Red cachet & ”G.P.O./AP26/182*/A.M.” pmk at back to Bombay