Came across it in ‘Modern India’ by William Eleroy Curtis (1909). Photographer: Unknown. In the book the group is not identified as Kashmiri pandits but the fact is obvious from their dress.
-0-
Update: Photographer was Jadu Kissen. Another (bigger) version of the same image. Came across it in ‘Le Tour du Monde; À travers la Perse Orientale Journal des voyages et des voyageurs; 2e Sem.’ (1905) which carried Kashmir travelogue by F. Michel.
-0-