Iridescent Pulled Feather Art Glass Vase,Signed /Vandermark

Iridescent Pulled Feather Art Glass Vase.The vase is signed on the bottom Vandermark/4322/1977.Beautiful mauve colored matte iridescence finish.The inside is pearl white and the color changing feathers are red,gold,purple and more.The vase stands over 8in.tall,about 3 1/2in.dia.at the top and the amethyst footed base is a bit over 3in.dia..The condition of this piece is Excellent!There are no chips,cracks,flea bites or repairs.I can't find much wrong and would say this vase is near Mint.A awesome vintage vase from the Vandermark Studios,Most likely the work of glassmaster Doug Merritt.Thank you for looking.