Bidspirit auction | 1922 Registered cover tied with

1922 Registered cover tied with KGV 2a & 9p on 1a ERROR (the bar in the overprint of the 1a stamp missing) sent from Bunder Road/Karachi to Calcutta - 1922 Registered cover tied with KGV 2a & 9p on 1a ERROR (the bar in the overprint of the 1a stamp missing) sent from Bunder Road/Karachi to Calcutta with delivery pmk at back; extremely rare Error on the cover