IKBD 1992 - EPSG:4667

WKT

GEOGCS["GCS_IKBD_1992", 
	DATUM["D_Iraq_Kuwait_Boundary_1992", 
		SPHEROID["WGS_1984", 6378137.0, 298.257223563]], 
	PRIMEM["Greenwich", 0.0], 
	UNIT["Degree", 0.0174532925199433]]

WKT2

GEOGCRS["GCS_IKBD_1992", 
	DATUM["D_Iraq_Kuwait_Boundary_1992", 
		ELLIPSOID["WGS_1984", 6378137.0, 298.257223563]], 
	PRIMEM["Greenwich", 0.0], 
	CS[ellipsoidal, 2], 
	AXIS["Latitude (lat)", north, 
		ORDER[1]], 
	AXIS["Longitude (lon)", east, 
		ORDER[2]], 
	ANGLEUNIT["Degree", 0.0174532925199433], 
	ID["EPSG", "4667"]]

Data from @esri/proj-codes

{
  "wkid": 4667,
  "latestWkid": 4667,
  "macro": "PE_GCS_IKBD_1992",
  "name": "GCS_IKBD_1992",
  "wkt": "GEOGCS[\"GCS_IKBD_1992\",DATUM[\"D_Iraq_Kuwait_Boundary_1992\",SPHEROID[\"WGS_1984\",6378137.0,298.257223563]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]]",
  "wkt2": "GEOGCRS[\"GCS_IKBD_1992\",DATUM[\"D_Iraq_Kuwait_Boundary_1992\",ELLIPSOID[\"WGS_1984\",6378137.0,298.257223563]],PRIMEM[\"Greenwich\",0.0],CS[ellipsoidal,2],AXIS[\"Latitude (lat)\",north,ORDER[1]],AXIS[\"Longitude (lon)\",east,ORDER[2]],ANGLEUNIT[\"Degree\",0.0174532925199433],ID[\"EPSG\",\"4667\"]]",
  "description": "IKBD 1992",
  "authority": "EPSG",
  "version": "6.5(9.0.0)",
  "deprecated": "no",
  "areaname": "Asia - Middle East - Iraq-Kuwait boundary",
  "extent": {
    "slat": 29.06,
    "nlat": 30.32,
    "llon": 46.36,
    "rlon": 48.61
  }
}