ELD 1979 Libya 11 - EPSG:2074

WKT

PROJCS["ELD_1979_Libya_11", 
	GEOGCS["GCS_European_Libyan_Datum_1979", 
		DATUM["D_European_Libyan_1979", 
			SPHEROID["International_1924", 6378388.0, 297.0]], 
		PRIMEM["Greenwich", 0.0], 
		UNIT["Degree", 0.0174532925199433]], 
	PROJECTION["Transverse_Mercator"], 
	PARAMETER["False_Easting", 200000.0], 
	PARAMETER["False_Northing", 0.0], 
	PARAMETER["Central_Meridian", 21.0], 
	PARAMETER["Scale_Factor", 0.9999], 
	PARAMETER["Latitude_Of_Origin", 0.0], 
	UNIT["Meter", 1.0]]

WKT2

PROJCRS["ELD_1979_Libya_11", 
	BASEGEOGCRS["GCS_European_Libyan_Datum_1979", 
		DATUM["D_European_Libyan_1979", 
			ELLIPSOID["International_1924", 6378388.0, 297.0]], 
		PRIMEM["Greenwich", 0.0], 
		CS[ellipsoidal, 2], 
		AXIS["Latitude (lat)", north, 
			ORDER[1]], 
		AXIS["Longitude (lon)", east, 
			ORDER[2]], 
		ANGLEUNIT["Degree", 0.0174532925199433]], 
	CONVERSION["Transverse_Mercator", 
		METHOD["Transverse_Mercator"], 
		PARAMETER["False_Easting", 200000.0], 
		PARAMETER["False_Northing", 0.0], 
		PARAMETER["Central_Meridian", 21.0], 
		PARAMETER["Scale_Factor", 0.9999], 
		PARAMETER["Latitude_Of_Origin", 0.0]], 
	CS[Cartesian, 2], 
	AXIS["Easting (X)", east, 
		ORDER[1]], 
	AXIS["Northing (Y)", north, 
		ORDER[2]], 
	LENGTHUNIT["Meter", 1.0], 
	ID["EPSG", "2074"]]

Data from @esri/proj-codes

{
  "wkid": 2074,
  "latestWkid": 2074,
  "gcsWkid": 4159,
  "macro": "PE_PCS_ELD_1979_LIBYA_11",
  "name": "ELD_1979_Libya_11",
  "wkt": "PROJCS[\"ELD_1979_Libya_11\",GEOGCS[\"GCS_European_Libyan_Datum_1979\",DATUM[\"D_European_Libyan_1979\",SPHEROID[\"International_1924\",6378388.0,297.0]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"False_Easting\",200000.0],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",21.0],PARAMETER[\"Scale_Factor\",0.9999],PARAMETER[\"Latitude_Of_Origin\",0.0],UNIT[\"Meter\",1.0]]",
  "wkt2": "PROJCRS[\"ELD_1979_Libya_11\",BASEGEOGCRS[\"GCS_European_Libyan_Datum_1979\",DATUM[\"D_European_Libyan_1979\",ELLIPSOID[\"International_1924\",6378388.0,297.0]],PRIMEM[\"Greenwich\",0.0],CS[ellipsoidal,2],AXIS[\"Latitude (lat)\",north,ORDER[1]],AXIS[\"Longitude (lon)\",east,ORDER[2]],ANGLEUNIT[\"Degree\",0.0174532925199433]],CONVERSION[\"Transverse_Mercator\",METHOD[\"Transverse_Mercator\"],PARAMETER[\"False_Easting\",200000.0],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",21.0],PARAMETER[\"Scale_Factor\",0.9999],PARAMETER[\"Latitude_Of_Origin\",0.0]],CS[Cartesian,2],AXIS[\"Easting (X)\",east,ORDER[1]],AXIS[\"Northing (Y)\",north,ORDER[2]],LENGTHUNIT[\"Meter\",1.0],ID[\"EPSG\",\"2074\"]]",
  "description": "ELD 1979 Libya 11",
  "authority": "EPSG",
  "version": "4.5(8.1.2)",
  "deprecated": "no",
  "areaname": "Libya - 20~E to 22~E onshore",
  "extent": {
    "slat": 20.54,
    "nlat": 33,
    "llon": 20,
    "rlon": 22
  }
}