{TAIL ~ Another object} is to provide a hanger bar and display board having {HEAD ~ cooperating means} for selectively and changably securely and slideably mounting the board on the hanging bar 
{ TAIL ~ Another object } is to provide a hanger bar and display board having { HEAD ~ cooperating means } for selectively and changably securely and slideably mounting the board on the hanging bar
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH