PCB Mach Breakers : 72 300 yens (environ 420 euros)
https://buyee.jp/item/jdirectitems/auction/f1238991812
Twinkle Star Sprites Neo Geo AES : 650 100 yens (environ 3700 euros)
https://buyee.jp/item/jdirectitems/auction/q1189973549
Magical Drop 2 Neo Geo AES : 522 500 yens (environ 3000 euros)
https://buyee.jp/item/jdirectitems/auction/c1189901573