This matted lithograph measures 12" x 16". The mat and sleeve are all acid free. This original color-lithograph is from a series produced on edible American Mushrooms & Fungi. The series were drawn by Charles Horton Peck. The Chromolithography was by C. Fausel. Published in New York, c. 1897. This print is of a ACARICU SUBRUFESCENS (Slightly reddish mushroom) A certificate of authenticity is attached to the back. Very good condition.