Are you using the straight page for T206 or are you doing the search engine?
http://www.psacard.com/Pop/T206
Make sure your browser is up-to-date or you might not see all the coding they added recently.
There are approximately 180 Mordecai Brown (~60 in each pose) listed. Use the drop down [+] to the left of the name to see all the different back breakdowns. They also now have three lines for each "card": the top line is for the straight integer grades (e.g. PSA 6), the second line is for half grades (6.5), and the third line shows the ones with a Qualifier (6MK).
Supposedly they will roll out a new Pop Report and search engine in the Spring, according to Joe Orlando's latest message.