MLB Prospect Graded Cards › 2023 Bowman's Best Colin Houck Shellacked AUTO Mini Diamond Ref Image 1 of 2 Image 2 of 2 2023 Bowman's Best Colin Houck Shellacked AUTO Mini Diamond Ref $400.00 2023 Bowman's Best Colin Houck Shellacked AUTO Mini Diamond Refractor /25 SGC 10/9.5 Add To Cart Added! 2023 Bowman's Best Colin Houck Shellacked AUTO Mini Diamond Refractor /25 SGC 10/9.5