Indian Convention States: Chamba: Officials: 1913-23 1a. rose-carmine, variety overprint on reverse, 1927-39 1r. chocolate and green showing overprint double/thicker print, in an unmounted block of six, 1938-40 10r. purple and claret, showing large part double overprint of ‰ÛÏCHAMBA‰Û and ‰ÛÏSERV‰Û, mint, odd imperfection but chiefly fine. Ex Carter. S.G. O38, O57, O71 vars.