I love this stuff.
Autograph: Dave Scott
Memorabilia: Chris Young (this guy looks terrified in this picture) & Yogi Berra (my first vintage GU piece).
Base Set Variation: Ken Griffey, Jr night sky variation.
I have the usual assortment of base, minis and SPs. I will probably be posting what I have for trade in a few days. If you want to let me know what you are looking for, drop me a note and I can look.