GRADING AND AUTHENTICITY, RARITY AND THE ESTABLISHMENT OF VALUE (PART 2) By Neil S. Berman Superior Galleries of Beverly Hills Consistency of Grading When the two major grading services started grading coins...
Consistency of Grading By Neil S. Berman When the two major grading services started grading coins in 1986 and 1987 respectively, they were new businesses endeavoring to build successful firms in an unproven...