Everythings droped alotmore then expected. Suck as 13-14m for a green mask. and 15-16m for a santa.
I went onto runescape and got a complete list for you
Blue mask 15,922,293gp - 17,598,325gp
Green mask 13,013,652gp - 14,383,512gp
Red mask 23,503,989gp - 25,978,095gp
Santa 15,874,399gp - 17,545,389gp