I want Perry's baseball card!

Hint 1 of 4:

You're going to have to trade to get it.

Hint 2 of 4:

Tabloids sell well.

Hint 3 of 4:

There aren't any tabloids in WILLY, but there is something that might
prove a bit scandalous.

Hint 4 of 4:

Something that your sister might have?