Lot 50930 – 1949 (Sept) 1a Purple provisional opt on Bhavnagar court fee with DOUBLE OVERPRINT error and small « O » in « POSTAGE »

1949 (Sept) 1a Purple provisional opt on Bhavnagar court fee with DOUBLE OVERPRINT error in mint large part og right marginal pair, from R4/7-8 of the setting of 40 with variety small « O » in « POSTAGE » on left stamp, very fine and rare with only one pane of 40 with the double overprint making this pair unique and a desirable item, ex T. D. Barber (the upper pair from the ‘T. D. Barber’ block of 4, Christie’s Robson Lowe 14/3/90, lot 382) (SG £1’100+)