If we proceed from the fact that it is sooo early work, theoretically, it can be argued that this is the work of MAX THEODOR STRECKENBACH.
On the other hand, his early work as such is of little interest from a commercial point of view.
Interest of his work Mature period, they are not similar in terms of technique and quality to you.
Look to compare his works, which are sold on Ebee:
http://www.ebay.de/itm/Streckenbach-...item35e1a0a67a
http://www.ebay.de/itm/MAX-STRECKENB...item2ed3089649
http://www.ebay.de/itm/Streckenbach-...item43d545c5f8
http://www.ebay.de/itm/Original-Blum...item5412406cd7