Signed in pencil "J. Harcuba 59".
Marked in pencil "c. Jiri Harcuba".
Cross referenced to SF349 glass vase, engraved, in the published index for these drawings. SF349 not part of CMGL collection.
Published in Czech glass 1945-1980: 87054, p. 168 (top) NK5171.C9 .C98.