EPSG:4623 - CSG67

{
  "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
  "type": "GeographicCRS",
  "name": "CSG67",
  "datum": {
    "type": "GeodeticReferenceFrame",
    "name": "Centre Spatial Guyanais 1967",
    "ellipsoid": {
      "name": "International 1924",
      "semi_major_axis": 6378388,
      "inverse_flattening": 297
    }
  },
  "coordinate_system": {
    "subtype": "ellipsoidal",
    "axis": [
      {
        "name": "Geodetic latitude",
        "abbreviation": "Lat",
        "direction": "north",
        "unit": "degree"
      },
      {
        "name": "Geodetic longitude",
        "abbreviation": "Lon",
        "direction": "east",
        "unit": "degree"
      }
    ]
  },
  "scope": "Geodesy.",
  "area": "French Guiana - coastal area.",
  "bbox": {
    "south_latitude": 3.43,
    "west_longitude": -54.45,
    "north_latitude": 5.81,
    "east_longitude": -51.61
  },
  "id": {
    "authority": "EPSG",
    "code": 4623
  }
}

{'crs_wkt': 'GEOGCRS["CSG67",DATUM["Centre Spatial Guyanais '
            '1967",ELLIPSOID["International '
            '1924",6378388,297,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],CS[ellipsoidal,2],AXIS["geodetic '
            'latitude '
            '(Lat)",north,ORDER[1],ANGLEUNIT["degree",0.0174532925199433]],AXIS["geodetic '
            'longitude '
            '(Lon)",east,ORDER[2],ANGLEUNIT["degree",0.0174532925199433]],USAGE[SCOPE["Geodesy."],AREA["French '
            'Guiana - coastal '
            'area."],BBOX[3.43,-54.45,5.81,-51.61]],ID["EPSG",4623]]',
 'geographic_crs_name': 'CSG67',
 'grid_mapping_name': 'latitude_longitude',
 'horizontal_datum_name': 'Centre Spatial Guyanais 1967',
 'inverse_flattening': 297.0,
 'longitude_of_prime_meridian': 0.0,
 'prime_meridian_name': 'Greenwich',
 'reference_ellipsoid_name': 'International 1924',
 'semi_major_axis': 6378388.0,
 'semi_minor_axis': 6356911.9461279465}