Kolliker original etching - (Arvada in Denver, CO

I have an original Kolliker etching for sale. The etching is #8 in the series. It has been professionally framed at Montes Gallery , in Denver. The etching depicts a owl standing outside the dentist office , with a bandage around his chin, and is titled," DDS". It is in excellent condition, and well taken care of. From a non-smoking home.