Van Briggle Calla Lily Vase in “Ming” Blue

Circa 1960s Van Briggle Calla Lily bud vase. Sweeping, organic form in attractive turquoise known as “Ming” blue, one of Van Briggle’s signature colors.
Signed with the Van Briggle cypher, Colo (short for Colorado) and SP 95 (finisher’s initials and model number). The finisher’s exact name is not known, but his / her work is dated between the 1950s and 1960s.