The specular layer 22 comprises a film 23 of a commercially available polyester film such as Mylar having {TAIL ~ a metallized coating} 24 deposited on {HEAD ~ clear film} 23 to form a specular surface 26 
The specular layer 22 comprises a film 23 of a commercially available polyester film such as Mylar having { TAIL ~ a metallized coating } 24 deposited on { HEAD ~ clear film } 23 to form a specular surface 26
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH