DesertGold/Moorcroft: https://www.desertgold.us/moorcroft/Moorcroft.html
ORCHID Cobalt Blue and Green Small Vase Approximate Dimensions: 3.25" (8.255 cm) tall 2" (5.08 cm) upper rim diameter 2.125" (5.398 cm) base rim diameter Circa: 1940s-1950s (Atterbury, 1993, p. 137)