Vintage 1976 Welcome Back Kotter plastic mugs "Barbarino" and "Horshack"

Vintage! 1976 Welcome Back Kotter small plastic mugs by the "Dawn Company" in New Jersey. Set has one of each "Vinnie Barbarino" and "Arnold Horshack". There is some slight discoloration on the outer handles, and one small chip on top edge of the "Barbarino" mug as noted in the pictures. Please feel free to ask questions! Super fun 70's throwback! Mugs are 4 inches tall and the opening is 3 inches across the top.