Trophy class is simply a standard of Relative Trophy Quality. The arbitrary levels that have been established by some record keeping authorities have not been indicative of relative trophy quality. In some cases the requirements have been either so high that it is nearly impossible for a trophy to be recognized for inclusion, so complicated that only a very special conformation will meet the minimum standard or so low that anybody willing to pay can be in the book.
The world record or number one scoring animal in each species category is designated as DIAMOND. In the GOLD, SILVER and BRONZE categories there are minimum scores that have been established for each species in each medal.