LUREF Luxembourg TM - EPSG:2169

WKT

PROJCS["LUREF_Luxembourg_TM", 
	GEOGCS["GCS_LUREF", 
		DATUM["D_Luxembourg_Reference_Frame", 
			SPHEROID["International_1924", 6378388.0, 297.0]], 
		PRIMEM["Greenwich", 0.0], 
		UNIT["Degree", 0.0174532925199433]], 
	PROJECTION["Transverse_Mercator"], 
	PARAMETER["False_Easting", 80000.0], 
	PARAMETER["False_Northing", 100000.0], 
	PARAMETER["Central_Meridian", 6.166666666666667], 
	PARAMETER["Scale_Factor", 1.0], 
	PARAMETER["Latitude_Of_Origin", 49.83333333333334], 
	UNIT["Meter", 1.0]]

WKT2

PROJCRS["LUREF_Luxembourg_TM", 
	BASEGEOGCRS["GCS_LUREF", 
		DATUM["D_Luxembourg_Reference_Frame", 
			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", 80000.0], 
		PARAMETER["False_Northing", 100000.0], 
		PARAMETER["Central_Meridian", 6.166666666666667], 
		PARAMETER["Scale_Factor", 1.0], 
		PARAMETER["Latitude_Of_Origin", 49.83333333333334]], 
	CS[Cartesian, 2], 
	AXIS["Northing (Y)", north, 
		ORDER[1]], 
	AXIS["Easting (X)", east, 
		ORDER[2]], 
	LENGTHUNIT["Meter", 1.0], 
	ID["EPSG", "2169"]]

Data from @esri/proj-codes

{
  "wkid": 2169,
  "latestWkid": 2169,
  "gcsWkid": 4181,
  "macro": "PE_PCS_LUXEMBOURG_1930_GAUSS",
  "name": "LUREF_Luxembourg_TM",
  "wkt": "PROJCS[\"LUREF_Luxembourg_TM\",GEOGCS[\"GCS_LUREF\",DATUM[\"D_Luxembourg_Reference_Frame\",SPHEROID[\"International_1924\",6378388.0,297.0]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"False_Easting\",80000.0],PARAMETER[\"False_Northing\",100000.0],PARAMETER[\"Central_Meridian\",6.166666666666667],PARAMETER[\"Scale_Factor\",1.0],PARAMETER[\"Latitude_Of_Origin\",49.83333333333334],UNIT[\"Meter\",1.0]]",
  "wkt2": "PROJCRS[\"LUREF_Luxembourg_TM\",BASEGEOGCRS[\"GCS_LUREF\",DATUM[\"D_Luxembourg_Reference_Frame\",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\",80000.0],PARAMETER[\"False_Northing\",100000.0],PARAMETER[\"Central_Meridian\",6.166666666666667],PARAMETER[\"Scale_Factor\",1.0],PARAMETER[\"Latitude_Of_Origin\",49.83333333333334]],CS[Cartesian,2],AXIS[\"Northing (Y)\",north,ORDER[1]],AXIS[\"Easting (X)\",east,ORDER[2]],LENGTHUNIT[\"Meter\",1.0],ID[\"EPSG\",\"2169\"]]",
  "description": "LUREF Luxembourg TM",
  "authority": "EPSG",
  "version": "6.7(9.0.0)",
  "deprecated": "no",
  "areaname": "Luxembourg",
  "extent": {
    "slat": 49.44,
    "nlat": 50.19,
    "llon": 5.73,
    "rlon": 6.53
  }
}