I can maybe help on the 71 topps
I have 377 but it is probably closer to 90/10 centering so it may not be quite centered enough
742 - royals team
708 - it is probably pushing exmt though
I can use 695, 686, 655, 360, 332, 331 328 and 327 from your list of 1971 Topps. Looking for at least ex...