Whelen HS-100 Sealed Beam Strobe Headlight Assembly (P/N: 01-0660603-30

Used, tested, and working. 
Scratches, scuffs,  and marks from use.  
Crack in glass. As seen in photos. Appears to be solid. Not completely cracked through. Can be repaired by end user. 
P/N - 01-0660603-30
Model: HS-100 
Hard to Find