u/Ok-Dinner-1525

In a break I got a Dylan Harper 12/12 out of a Midnight hobby box. But idk what the price is—Any help? Since it’s a bookend, I know it’s worth more than the middle numbers of the same card. Any insight would be helpful :)

So I found this card of Tayshaun Prince. It’s Topps chrome Rookie and refractor. Idk what to do with this because checking online—people have listings from 3 dollars to 75? Idk much about older stuff since I collect modern pc basketball cards. Please give me some advice, thank you!