{
  "comments": {
    "new": "Sega ID: 670-3133-50"
  },
  "ring_codes": {
    "new": "MK-4603P-00053-R1M\tV 12",
    "old": "MK-4603P-00053-R1M V"
  },
  "serial": {
    "new": "4603",
    "old": "MK-4603-50"
  }
}