Leopold Cassella and Co., O.M. Frankfurt. <br/><br/>
Dyeing of wool, including wool printing (No.619) anthracene chrome black PFB extra... /(by) Leopold Cassella and Co., O.M. Frankfurt.   

 - Frankfurt  Leopold Cassella &C.  1905 
<br/><br/><label>Dewey Class. No.: </label>667.2  / N05