Hyungchan Um baseball cards
10 cards in 4 sets (Columbia Fireflies, Kansas City Royals).
2025 Bowman 4 cards
| # | Subset | Team | |
|---|---|---|---|
| BP-119 | Paper Prospects | Kansas City Royals | |
| BCP-119 | Chrome Prospects I | Kansas City Royals | |
| CPA-HU | Chrome Prospects Autograph Variation | Kansas City Royals | Auto |
| BCP-119 | Bowman Buyback Autographs | Kansas City Royals | Auto |
2025 Bowman Mega Box 1 card
| # | Subset | Team | |
|---|---|---|---|
| BCP-119 | Chrome Prospects | Kansas City Royals |
2025 Bowman Sapphire Edition 1 card
| # | Subset | Team | |
|---|---|---|---|
| BCP-119 | Chrome Prospects | Kansas City Royals |
2025 Topps Pro Debut 4 cards
| # | Subset | Team | |
|---|---|---|---|
| PD-195 | Base Cards | Columbia Fireflies | |
| PDC-195 | Base Cards I Chrome Variation | Columbia Fireflies | |
| PD-195 | Base Cards Autograph Variation | Columbia Fireflies | Auto |
| PDC-195 | Base Cards Chrome Variation Autographs | Columbia Fireflies | Auto |