[Пряник]

Hello dear friends!
Asking for your help in the attribution of the drawing "Nude" in ink on the writing paper of A4 format (presumably, the 30-ies). Signed by the abbreviation I. L.
Went complete with picture "Tulips" Mary Lamboy.
Suggested that the author may be is her husband, Ivan Lancov.
Ignorance may be wrong. Please comment, suggest, deny.
Gratefully.