New Zealand North Island (Sears Yards) - EPSG:27291

WKT

PROJCS["New_Zealand_North_Island", 
	GEOGCS["GCS_New_Zealand_1949", 
		DATUM["D_New_Zealand_1949", 
			SPHEROID["International_1924", 6378388.0, 297.0]], 
		PRIMEM["Greenwich", 0.0], 
		UNIT["Degree", 0.0174532925199433]], 
	PROJECTION["Transverse_Mercator"], 
	PARAMETER["False_Easting", 300000.0], 
	PARAMETER["False_Northing", 400000.0], 
	PARAMETER["Central_Meridian", 175.5], 
	PARAMETER["Scale_Factor", 1.0], 
	PARAMETER["Latitude_Of_Origin", -39.0], 
	UNIT["Yard_Sears", 0.9143984146160287]]

WKT2

PROJCRS["New_Zealand_North_Island", 
	BASEGEOGCRS["GCS_New_Zealand_1949", 
		DATUM["D_New_Zealand_1949", 
			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", 300000.0, 
			LENGTHUNIT["Yard_Sears", 0.9143984146160287]], 
		PARAMETER["False_Northing", 400000.0, 
			LENGTHUNIT["Yard_Sears", 0.9143984146160287]], 
		PARAMETER["Central_Meridian", 175.5], 
		PARAMETER["Scale_Factor", 1.0], 
		PARAMETER["Latitude_Of_Origin", -39.0]], 
	CS[Cartesian, 2], 
	AXIS["Easting (X)", east, 
		ORDER[1]], 
	AXIS["Northing (Y)", north, 
		ORDER[2]], 
	LENGTHUNIT["Yard_Sears", 0.9143984146160287], 
	ID["EPSG", "27291"]]

Data from @esri/proj-codes

{
  "wkid": 27291,
  "latestWkid": 27291,
  "gcsWkid": 4272,
  "macro": "PE_PCS_NZGD_1949_NORTH_ISLAND",
  "name": "New_Zealand_North_Island",
  "wkt": "PROJCS[\"New_Zealand_North_Island\",GEOGCS[\"GCS_New_Zealand_1949\",DATUM[\"D_New_Zealand_1949\",SPHEROID[\"International_1924\",6378388.0,297.0]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"False_Easting\",300000.0],PARAMETER[\"False_Northing\",400000.0],PARAMETER[\"Central_Meridian\",175.5],PARAMETER[\"Scale_Factor\",1.0],PARAMETER[\"Latitude_Of_Origin\",-39.0],UNIT[\"Yard_Sears\",0.9143984146160287]]",
  "wkt2": "PROJCRS[\"New_Zealand_North_Island\",BASEGEOGCRS[\"GCS_New_Zealand_1949\",DATUM[\"D_New_Zealand_1949\",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\",300000.0,LENGTHUNIT[\"Yard_Sears\",0.9143984146160287]],PARAMETER[\"False_Northing\",400000.0,LENGTHUNIT[\"Yard_Sears\",0.9143984146160287]],PARAMETER[\"Central_Meridian\",175.5],PARAMETER[\"Scale_Factor\",1.0],PARAMETER[\"Latitude_Of_Origin\",-39.0]],CS[Cartesian,2],AXIS[\"Easting (X)\",east,ORDER[1]],AXIS[\"Northing (Y)\",north,ORDER[2]],LENGTHUNIT[\"Yard_Sears\",0.9143984146160287],ID[\"EPSG\",\"27291\"]]",
  "description": "New Zealand North Island (Sears Yards)",
  "authority": "EPSG",
  "version": "4.4(3.0.1)",
  "deprecated": "no",
  "areaname": "New Zealand - North Island",
  "extent": {
    "slat": -41.67,
    "nlat": -34.1,
    "llon": 171.99,
    "rlon": 178.63
  }
}