China (People's Republic), Accumulation, 1950-70's, mint issues housed in two stockbooks; includes useful earlier sets with strength in Revolutionary issues including 1965 Tsunyi Conference sets, better 1967 issues in strips of three, 1968 Literature & Arts issues and some good later sets; some modest duplication with some damage not counted, Scott cat approximately $8,300, worth careful review. Estimate  $3,000 - 4,000. $0