Douala 1948 AOF West - EPSG:3119

WKT

PROJCS["Douala_1948_AEF_West", 
	GEOGCS["GCS_Douala_1948", 
		DATUM["D_Douala_1948", 
			SPHEROID["International_1924", 6378388.0, 297.0]], 
		PRIMEM["Greenwich", 0.0], 
		UNIT["Degree", 0.0174532925199433]], 
	PROJECTION["Transverse_Mercator"], 
	PARAMETER["False_Easting", 1000000.0], 
	PARAMETER["False_Northing", 1000000.0], 
	PARAMETER["Central_Meridian", 10.5], 
	PARAMETER["Scale_Factor", 0.999], 
	PARAMETER["Latitude_Of_Origin", 0.0], 
	UNIT["Meter", 1.0]]

WKT2

PROJCRS["Douala_1948_AEF_West", 
	BASEGEOGCRS["GCS_Douala_1948", 
		DATUM["D_Douala_1948", 
			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", 1000000.0], 
		PARAMETER["False_Northing", 1000000.0], 
		PARAMETER["Central_Meridian", 10.5], 
		PARAMETER["Scale_Factor", 0.999], 
		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", "3119"]]

Data from @esri/proj-codes

{
  "wkid": 3119,
  "latestWkid": 3119,
  "gcsWkid": 4192,
  "macro": "PE_PCS_DOUALA_1948_AEF_WEST",
  "name": "Douala_1948_AEF_West",
  "wkt": "PROJCS[\"Douala_1948_AEF_West\",GEOGCS[\"GCS_Douala_1948\",DATUM[\"D_Douala_1948\",SPHEROID[\"International_1924\",6378388.0,297.0]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"False_Easting\",1000000.0],PARAMETER[\"False_Northing\",1000000.0],PARAMETER[\"Central_Meridian\",10.5],PARAMETER[\"Scale_Factor\",0.999],PARAMETER[\"Latitude_Of_Origin\",0.0],UNIT[\"Meter\",1.0]]",
  "wkt2": "PROJCRS[\"Douala_1948_AEF_West\",BASEGEOGCRS[\"GCS_Douala_1948\",DATUM[\"D_Douala_1948\",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\",1000000.0],PARAMETER[\"False_Northing\",1000000.0],PARAMETER[\"Central_Meridian\",10.5],PARAMETER[\"Scale_Factor\",0.999],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\",\"3119\"]]",
  "description": "Douala 1948 AOF West",
  "authority": "EPSG",
  "version": "6.8(9.2.0)",
  "deprecated": "no",
  "areaname": "Cameroon - coastal area",
  "extent": {
    "slat": 2.16,
    "nlat": 4.99,
    "llon": 8.45,
    "rlon": 10.4
  }
}