Panama-Colon 1911 Panama Polyconic (Clarke Yards) - EPSG:5472

WKT

PROJCS["Panama-Colon_1911_Panama_Polyconic", 
	GEOGCS["GCS_Panama-Colon_1911", 
		DATUM["D_Panama-Colon-1911", 
			SPHEROID["Clarke_1866", 6378206.4, 294.9786982]], 
		PRIMEM["Greenwich", 0.0], 
		UNIT["Degree", 0.0174532925199433]], 
	PROJECTION["Polyconic"], 
	PARAMETER["False_Easting", 1000000.0], 
	PARAMETER["False_Northing", 1092972.1], 
	PARAMETER["Central_Meridian", -81.0], 
	PARAMETER["Latitude_Of_Origin", 8.25], 
	UNIT["Yard_Clarke", 0.9143917962]]

WKT2

PROJCRS["Panama-Colon_1911_Panama_Polyconic", 
	BASEGEOGCRS["GCS_Panama-Colon_1911", 
		DATUM["D_Panama-Colon-1911", 
			ELLIPSOID["Clarke_1866", 6378206.4, 294.9786982]], 
		PRIMEM["Greenwich", 0.0], 
		CS[ellipsoidal, 2], 
		AXIS["Latitude (lat)", north, 
			ORDER[1]], 
		AXIS["Longitude (lon)", east, 
			ORDER[2]], 
		ANGLEUNIT["Degree", 0.0174532925199433]], 
	CONVERSION["Polyconic", 
		METHOD["Polyconic"], 
		PARAMETER["False_Easting", 1000000.0, 
			LENGTHUNIT["Yard_Clarke", 0.9143917962]], 
		PARAMETER["False_Northing", 1092972.1, 
			LENGTHUNIT["Yard_Clarke", 0.9143917962]], 
		PARAMETER["Central_Meridian", -81.0], 
		PARAMETER["Latitude_Of_Origin", 8.25]], 
	CS[Cartesian, 2], 
	AXIS["Easting (X)", east, 
		ORDER[1]], 
	AXIS["Northing (Y)", north, 
		ORDER[2]], 
	LENGTHUNIT["Yard_Clarke", 0.9143917962], 
	ID["EPSG", "5472"]]

Data from @esri/proj-codes

{
  "wkid": 5472,
  "latestWkid": 5472,
  "gcsWkid": 5467,
  "macro": "PE_PCS_PANAMA_COLON_1911_PANAMA_POLYCONIC",
  "name": "Panama-Colon_1911_Panama_Polyconic",
  "wkt": "PROJCS[\"Panama-Colon_1911_Panama_Polyconic\",GEOGCS[\"GCS_Panama-Colon_1911\",DATUM[\"D_Panama-Colon-1911\",SPHEROID[\"Clarke_1866\",6378206.4,294.9786982]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Polyconic\"],PARAMETER[\"False_Easting\",1000000.0],PARAMETER[\"False_Northing\",1092972.1],PARAMETER[\"Central_Meridian\",-81.0],PARAMETER[\"Latitude_Of_Origin\",8.25],UNIT[\"Yard_Clarke\",0.9143917962]]",
  "wkt2": "PROJCRS[\"Panama-Colon_1911_Panama_Polyconic\",BASEGEOGCRS[\"GCS_Panama-Colon_1911\",DATUM[\"D_Panama-Colon-1911\",ELLIPSOID[\"Clarke_1866\",6378206.4,294.9786982]],PRIMEM[\"Greenwich\",0.0],CS[ellipsoidal,2],AXIS[\"Latitude (lat)\",north,ORDER[1]],AXIS[\"Longitude (lon)\",east,ORDER[2]],ANGLEUNIT[\"Degree\",0.0174532925199433]],CONVERSION[\"Polyconic\",METHOD[\"Polyconic\"],PARAMETER[\"False_Easting\",1000000.0,LENGTHUNIT[\"Yard_Clarke\",0.9143917962]],PARAMETER[\"False_Northing\",1092972.1,LENGTHUNIT[\"Yard_Clarke\",0.9143917962]],PARAMETER[\"Central_Meridian\",-81.0],PARAMETER[\"Latitude_Of_Origin\",8.25]],CS[Cartesian,2],AXIS[\"Easting (X)\",east,ORDER[1]],AXIS[\"Northing (Y)\",north,ORDER[2]],LENGTHUNIT[\"Yard_Clarke\",0.9143917962],ID[\"EPSG\",\"5472\"]]",
  "description": "Panama-Colon 1911 Panama Polyconic (Clarke Yards)",
  "authority": "EPSG",
  "version": "7.8.3(10.1.0)",
  "deprecated": "no",
  "areaname": "Panama - onshore",
  "extent": {
    "slat": 7.15,
    "nlat": 9.68,
    "llon": -83.04,
    "rlon": -77.19
  }
}