Vintage Pair Studio Art Pottery Vases with Drip Glaze Fat Lava Mid Century Moder

Stunning pair of vintage studio pottery bottle neck bud vase. Studio stamp on the bottom. The base glaze is black and has a slight texture. The drip glaze is white/blue and green fat lava style. No damage detected. The holes on top are very tiny. I don’t think they are intended to hold flowers. Taller: 10” tall 5” wide Smaller: 7.75” tall 4” wide