1925 "ONE RUPEE" trial surcharge on c. 1920 Experimental printing of SG Type 67 15r Blue and olive, surcharge as SG type O14 but on one line in serifed letters 2mm deep (Hammond Giles No. 25), watermark star, perf 14, official optd SG type O11 in shiny black ink, without gum as issued, very fine; 2022 BPA certificate