ETRS 1989 EPSG Arctic zone 4-26 - EPSG:6071

WKT

PROJCS["ETRS_1989_EPSG_Arctic_zone_4-26", 
	GEOGCS["GCS_ETRS_1989", 
		DATUM["D_ETRS_1989", 
			SPHEROID["GRS_1980", 6378137.0, 298.257222101]], 
		PRIMEM["Greenwich", 0.0], 
		UNIT["Degree", 0.0174532925199433]], 
	PROJECTION["Lambert_Conformal_Conic"], 
	PARAMETER["False_Easting", 26500000.0], 
	PARAMETER["False_Northing", 4500000.0], 
	PARAMETER["Central_Meridian", 10.0], 
	PARAMETER["Standard_Parallel_1", 73.66666666666669], 
	PARAMETER["Standard_Parallel_2", 77.0], 
	PARAMETER["Latitude_Of_Origin", 75.36440330555556], 
	UNIT["Meter", 1.0]]

WKT2

PROJCRS["ETRS_1989_EPSG_Arctic_zone_4-26", 
	BASEGEOGCRS["GCS_ETRS_1989", 
		DATUM["D_ETRS_1989", 
			ELLIPSOID["GRS_1980", 6378137.0, 298.257222101]], 
		PRIMEM["Greenwich", 0.0], 
		CS[ellipsoidal, 2], 
		AXIS["Latitude (lat)", north, 
			ORDER[1]], 
		AXIS["Longitude (lon)", east, 
			ORDER[2]], 
		ANGLEUNIT["Degree", 0.0174532925199433]], 
	CONVERSION["Lambert_Conformal_Conic", 
		METHOD["Lambert_Conformal_Conic"], 
		PARAMETER["False_Easting", 26500000.0], 
		PARAMETER["False_Northing", 4500000.0], 
		PARAMETER["Central_Meridian", 10.0], 
		PARAMETER["Standard_Parallel_1", 73.66666666666669], 
		PARAMETER["Standard_Parallel_2", 77.0], 
		PARAMETER["Latitude_Of_Origin", 75.36440330555556]], 
	CS[Cartesian, 2], 
	AXIS["Easting (X)", east, 
		ORDER[1]], 
	AXIS["Northing (Y)", north, 
		ORDER[2]], 
	LENGTHUNIT["Meter", 1.0], 
	ID["EPSG", "6071"]]

Data from @esri/proj-codes

{
  "wkid": 6071,
  "latestWkid": 6071,
  "gcsWkid": 4258,
  "macro": "PE_PCS_ETRS_1989_EPSG_ARCTIC_4_26",
  "name": "ETRS_1989_EPSG_Arctic_zone_4-26",
  "wkt": "PROJCS[\"ETRS_1989_EPSG_Arctic_zone_4-26\",GEOGCS[\"GCS_ETRS_1989\",DATUM[\"D_ETRS_1989\",SPHEROID[\"GRS_1980\",6378137.0,298.257222101]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Lambert_Conformal_Conic\"],PARAMETER[\"False_Easting\",26500000.0],PARAMETER[\"False_Northing\",4500000.0],PARAMETER[\"Central_Meridian\",10.0],PARAMETER[\"Standard_Parallel_1\",73.66666666666669],PARAMETER[\"Standard_Parallel_2\",77.0],PARAMETER[\"Latitude_Of_Origin\",75.36440330555556],UNIT[\"Meter\",1.0]]",
  "wkt2": "PROJCRS[\"ETRS_1989_EPSG_Arctic_zone_4-26\",BASEGEOGCRS[\"GCS_ETRS_1989\",DATUM[\"D_ETRS_1989\",ELLIPSOID[\"GRS_1980\",6378137.0,298.257222101]],PRIMEM[\"Greenwich\",0.0],CS[ellipsoidal,2],AXIS[\"Latitude (lat)\",north,ORDER[1]],AXIS[\"Longitude (lon)\",east,ORDER[2]],ANGLEUNIT[\"Degree\",0.0174532925199433]],CONVERSION[\"Lambert_Conformal_Conic\",METHOD[\"Lambert_Conformal_Conic\"],PARAMETER[\"False_Easting\",26500000.0],PARAMETER[\"False_Northing\",4500000.0],PARAMETER[\"Central_Meridian\",10.0],PARAMETER[\"Standard_Parallel_1\",73.66666666666669],PARAMETER[\"Standard_Parallel_2\",77.0],PARAMETER[\"Latitude_Of_Origin\",75.36440330555556]],CS[Cartesian,2],AXIS[\"Easting (X)\",east,ORDER[1]],AXIS[\"Northing (Y)\",north,ORDER[2]],LENGTHUNIT[\"Meter\",1.0],ID[\"EPSG\",\"6071\"]]",
  "description": "ETRS 1989 EPSG Arctic zone 4-26",
  "authority": "EPSG",
  "version": "8.2(10.2.1)",
  "deprecated": "no",
  "areaname": "Arctic - 77~50'N to 72~50'N, 2~W to 22~E",
  "extent": {
    "slat": 72.83,
    "nlat": 77.84,
    "llon": -2,
    "rlon": 22.01
  }
}