{
  "barcode": {
    "new": "5 051888 035566, 5 051895 022399",
    "old": "5 051888 035566"
  },
  "comments": {
    "new": "Cover ID: RVL-RQNP-HOL, RVL-RQNP-SCN",
    "old": "Cover ID: RVL-RQNP-HOL"
  },
  "serial": {
    "new": "RVL-RQNP-EUR-B0, RVL-RQNP-EUR-B1",
    "old": "RVL-RQNP-EUR-B1"
  }
}