Bidspirit auction | 1911 cover franked with KGV

1911 cover franked with KGV 1a with ”1911 Coronation Durbar 14 Dec” roller cancellation sent to London from the Madras Camp & 2 pages of Proof of the roller cancellation executed at Simla - 1911 cover franked with KGV 1a with ”1911 Coronation Durbar 14 Dec” roller cancellation with 4 lines (top line Albino inking) sent to London from the Madras Camp of the Durbar & 2 pages of Proof of the roller cancellation executed at Simla on 23 Sep, 1911 with 5 lines and different texts INDIA and SIMLA. This trial cancellation was done in a gap of 15 minutes, two such pages cancelled at 7.15 and 7.30 hrs; Unique item