leonsf, What were they you all the "tarnished"! reputation!
(no offense to the sarcasm)
sell?
I tried your picture in a graphic program to process, so the signature can help to understand .... It seems the name is "Manieva ..." The stamp reads like a "work of H. Manieva ..." More can not razobrat.Hotya after long and careful study, the last letter of the signature is similar to the Georgian lowercase "b "....