Upamon
Beginning Observer · BT16-003 U
Printings4
BT01-03A · BT1-003 RENRelease Special Booster 1.0$0.81
BT-16 · BT16-003 UENBeginning Observer$0.21Viewing
BT-16 · BT16-003 UENBeginning Observer$1.36
BT-16_PR · BT16-003 UENBeginning Observer Pre-Release Cards$0.84
eBay
TCGplayer
Cardmarket