EPSG:3821 - TWD67

{
  "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
  "type": "GeographicCRS",
  "name": "TWD67",
  "datum": {
    "type": "GeodeticReferenceFrame",
    "name": "Taiwan Datum 1967",
    "ellipsoid": {
      "name": "GRS 1967 Modified",
      "semi_major_axis": 6378160,
      "inverse_flattening": 298.25
    }
  },
  "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": "Taiwan, Republic of China - onshore - Taiwan Island, Penghu (Pescadores) Islands.",
  "bbox": {
    "south_latitude": 21.87,
    "west_longitude": 119.25,
    "north_latitude": 25.34,
    "east_longitude": 122.06
  },
  "id": {
    "authority": "EPSG",
    "code": 3821
  }
}

{'crs_wkt': 'GEOGCRS["TWD67",DATUM["Taiwan Datum 1967",ELLIPSOID["GRS 1967 '
            'Modified",6378160,298.25,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["Taiwan, '
            'Republic of China - onshore - Taiwan Island, Penghu (Pescadores) '
            'Islands."],BBOX[21.87,119.25,25.34,122.06]],ID["EPSG",3821]]',
 'geographic_crs_name': 'TWD67',
 'grid_mapping_name': 'latitude_longitude',
 'horizontal_datum_name': 'Taiwan Datum 1967',
 'inverse_flattening': 298.25,
 'longitude_of_prime_meridian': 0.0,
 'prime_meridian_name': 'Greenwich',
 'reference_ellipsoid_name': 'GRS 1967 Modified',
 'semi_major_axis': 6378160.0,
 'semi_minor_axis': 6356774.719195305}