27 card set.
Base Cards are all in the first picture.
2nd picture will contain the Short Prints, Parallels, and/or Inserts.
Possible parallels include Chrome, Color Border, Sparkle, and Refractors.
See the Checklist in the 3rd picture for the cards that are included. Handwritten notes indicate certain parallels. For example- "SS" means Silver Sparkle parallel, "BB" means Blue Border parallel, "Ref" means Refractor, etc.

Included:
Complete Base set
Cristopher Sanchez Short Print
Bryce Harper Chrome
Kyle Schwarber Red Border
Matt Strahm Yellow Border
Aaron Nola Blue Border
Alec Bohm Red Border
Bryson Stott Silver Sparkle
Brandon Marsh Red Sparkle
Nick Castellanos "Artist" Nickname Variation