well this was a mammoth task but having sorted out the rubric ad the unclueds i am stuck on 4 clues
51D Grave with 500 Bones (6) i have ST?R??
75A French royal seal set awry (7) I have ???eps?
61D Laugh about young child's Scottish interjection (5)
45A Take in charges and return to take up land (4,6)
I have ?RE? SELECT
Stumped!
Just for info - this is the Spectator's big/jumbo Christmas puzzle. There are extra prizes, £100, bottles of champagne... The closing date is 16 January 2023.