Cayman Islands National Grid 2011 (Intl Feet) - EPSG:6391

WKT

PROJCS["Cayman_Islands_National_Grid_2011", 
	GEOGCS["GCS_CIGD11", 
		DATUM["D_Cayman_Islands_Geodetic_Datum_2011", 
			SPHEROID["GRS_1980", 6378137.0, 298.257222101]], 
		PRIMEM["Greenwich", 0.0], 
		UNIT["Degree", 0.0174532925199433]], 
	PROJECTION["Lambert_Conformal_Conic"], 
	PARAMETER["False_Easting", 2950000.0], 
	PARAMETER["False_Northing", 1900000.0], 
	PARAMETER["Central_Meridian", -80.56666666666666], 
	PARAMETER["Standard_Parallel_1", 19.33333333333333], 
	PARAMETER["Standard_Parallel_2", 19.7], 
	PARAMETER["Latitude_Of_Origin", 19.33333333333333], 
	UNIT["Foot", 0.3048]]

WKT2

PROJCRS["Cayman_Islands_National_Grid_2011", 
	BASEGEOGCRS["GCS_CIGD11", 
		DATUM["D_Cayman_Islands_Geodetic_Datum_2011", 
			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", 2950000.0, 
			LENGTHUNIT["Foot", 0.3048]], 
		PARAMETER["False_Northing", 1900000.0, 
			LENGTHUNIT["Foot", 0.3048]], 
		PARAMETER["Central_Meridian", -80.56666666666666], 
		PARAMETER["Standard_Parallel_1", 19.33333333333333], 
		PARAMETER["Standard_Parallel_2", 19.7], 
		PARAMETER["Latitude_Of_Origin", 19.33333333333333]], 
	CS[Cartesian, 2], 
	AXIS["Easting (X)", east, 
		ORDER[1]], 
	AXIS["Northing (Y)", north, 
		ORDER[2]], 
	LENGTHUNIT["Foot", 0.3048], 
	ID["EPSG", "6391"]]

Data from @esri/proj-codes

{
  "wkid": 6391,
  "latestWkid": 6391,
  "gcsWkid": 6135,
  "macro": "PE_PCS_CAYMAN_ISLANDS_NATIONAL_GRID_2011",
  "name": "Cayman_Islands_National_Grid_2011",
  "wkt": "PROJCS[\"Cayman_Islands_National_Grid_2011\",GEOGCS[\"GCS_CIGD11\",DATUM[\"D_Cayman_Islands_Geodetic_Datum_2011\",SPHEROID[\"GRS_1980\",6378137.0,298.257222101]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Lambert_Conformal_Conic\"],PARAMETER[\"False_Easting\",2950000.0],PARAMETER[\"False_Northing\",1900000.0],PARAMETER[\"Central_Meridian\",-80.56666666666666],PARAMETER[\"Standard_Parallel_1\",19.33333333333333],PARAMETER[\"Standard_Parallel_2\",19.7],PARAMETER[\"Latitude_Of_Origin\",19.33333333333333],UNIT[\"Foot\",0.3048]]",
  "wkt2": "PROJCRS[\"Cayman_Islands_National_Grid_2011\",BASEGEOGCRS[\"GCS_CIGD11\",DATUM[\"D_Cayman_Islands_Geodetic_Datum_2011\",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\",2950000.0,LENGTHUNIT[\"Foot\",0.3048]],PARAMETER[\"False_Northing\",1900000.0,LENGTHUNIT[\"Foot\",0.3048]],PARAMETER[\"Central_Meridian\",-80.56666666666666],PARAMETER[\"Standard_Parallel_1\",19.33333333333333],PARAMETER[\"Standard_Parallel_2\",19.7],PARAMETER[\"Latitude_Of_Origin\",19.33333333333333]],CS[Cartesian,2],AXIS[\"Easting (X)\",east,ORDER[1]],AXIS[\"Northing (Y)\",north,ORDER[2]],LENGTHUNIT[\"Foot\",0.3048],ID[\"EPSG\",\"6391\"]]",
  "description": "Cayman Islands National Grid 2011 (Intl Feet)",
  "authority": "EPSG",
  "version": "8.2.7(10.2.1)",
  "deprecated": "no",
  "areaname": "Cayman Islands",
  "extent": {
    "slat": 17.58,
    "nlat": 20.68,
    "llon": -83.6,
    "rlon": -78.72
  }
}