Question about the POP report

cubfan89

I made up my mind and am going to a sports show this weekend in Chicago with my nephew. I have never submitted anything personally to PSA before but have purchased cards already graded on Ebay before. My concern is I have several ticket stubs I'd like graded that I plan on bringing to PSA but I'm not sure how rare they are or if it's worth it. A nice guy already looked up a couple tickets in the POP report I'm bringing in because there are only 4 ever graded. The tickets I'm on the fence about are 1991 NBA Finals Game 5, 1992 Finals Game 6 and 1997 Finals games 1-2 & 5-6. If anybody with access of finding out how many have been graded or any advice if it's worth it or not would be helpful. I know I'm knew here and not as smart with this sort of thing yey, but have some nice people so far. Thanks and have a good weekend.