Tananarive 1925 Laborde Grid - EPSG:8441

WKT

PROJCS["Tananarive_1925_Laborde_Grid", 
	GEOGCS["GCS_Tananarive_1925", 
		DATUM["D_Tananarive_1925", 
			SPHEROID["International_1924", 6378388.0, 297.0]], 
		PRIMEM["Greenwich", 0.0], 
		UNIT["Degree", 0.0174532925199433]], 
	PROJECTION["Laborde_Oblique_Mercator"], 
	PARAMETER["False_Easting", 400000.0], 
	PARAMETER["False_Northing", 800000.0], 
	PARAMETER["Scale_Factor", 0.9995], 
	PARAMETER["Azimuth", 18.9], 
	PARAMETER["Longitude_Of_Center", 46.43722916666667], 
	PARAMETER["Latitude_Of_Center", -18.9], 
	UNIT["Meter", 1.0]]

WKT2

PROJCRS["Tananarive_1925_Laborde_Grid", 
	BASEGEOGCRS["GCS_Tananarive_1925", 
		DATUM["D_Tananarive_1925", 
			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["Laborde_Oblique_Mercator", 
		METHOD["Laborde_Oblique_Mercator"], 
		PARAMETER["False_Easting", 400000.0], 
		PARAMETER["False_Northing", 800000.0], 
		PARAMETER["Scale_Factor", 0.9995], 
		PARAMETER["Azimuth", 18.9], 
		PARAMETER["Longitude_Of_Center", 46.43722916666667], 
		PARAMETER["Latitude_Of_Center", -18.9]], 
	CS[Cartesian, 2], 
	AXIS["Northing (Y)", north, 
		ORDER[1]], 
	AXIS["Easting (X)", east, 
		ORDER[2]], 
	LENGTHUNIT["Meter", 1.0], 
	ID["EPSG", "8441"]]

Data from @esri/proj-codes

{
  "wkid": 8441,
  "latestWkid": 8441,
  "gcsWkid": 4297,
  "macro": "PE_PCS_TANANARIVE_1925_LABORDE_GRID",
  "name": "Tananarive_1925_Laborde_Grid",
  "wkt": "PROJCS[\"Tananarive_1925_Laborde_Grid\",GEOGCS[\"GCS_Tananarive_1925\",DATUM[\"D_Tananarive_1925\",SPHEROID[\"International_1924\",6378388.0,297.0]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Laborde_Oblique_Mercator\"],PARAMETER[\"False_Easting\",400000.0],PARAMETER[\"False_Northing\",800000.0],PARAMETER[\"Scale_Factor\",0.9995],PARAMETER[\"Azimuth\",18.9],PARAMETER[\"Longitude_Of_Center\",46.43722916666667],PARAMETER[\"Latitude_Of_Center\",-18.9],UNIT[\"Meter\",1.0]]",
  "wkt2": "PROJCRS[\"Tananarive_1925_Laborde_Grid\",BASEGEOGCRS[\"GCS_Tananarive_1925\",DATUM[\"D_Tananarive_1925\",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[\"Laborde_Oblique_Mercator\",METHOD[\"Laborde_Oblique_Mercator\"],PARAMETER[\"False_Easting\",400000.0],PARAMETER[\"False_Northing\",800000.0],PARAMETER[\"Scale_Factor\",0.9995],PARAMETER[\"Azimuth\",18.9],PARAMETER[\"Longitude_Of_Center\",46.43722916666667],PARAMETER[\"Latitude_Of_Center\",-18.9]],CS[Cartesian,2],AXIS[\"Northing (Y)\",north,ORDER[1]],AXIS[\"Easting (X)\",east,ORDER[2]],LENGTHUNIT[\"Meter\",1.0],ID[\"EPSG\",\"8441\"]]",
  "description": "Tananarive 1925 Laborde Grid",
  "authority": "EPSG",
  "version": "9.3(10.8.0)",
  "deprecated": "no",
  "areaname": "Madagascar - onshore",
  "extent": {
    "slat": -25.64,
    "nlat": -11.89,
    "llon": 43.18,
    "rlon": 50.56
  }
}