[Broadside] HOLLIS'S Extra Fine Black INK POWDER. A SUPERB ARTICLE For making a Fine Black Writing Ink, with very little trouble, for Steel or Quill Pens. For Sale Here
[Boston?]: [Thomas Hollis, Druggist and Chemist?] [circa 1850?]. 8 3/4 x 10 3/4 (widest points). Loss to the margins at left, staining overall. Nice decorative border. Good. 
Southern Methodist University includes this item in an online catalog "TRADE CATALOGS IN DEGOLYER LIBRARY" (#1396) with the attribution to Thomas Hollis, Druggist and Chemist, Boston, circa 1850. The listing also includes several other items from the firm.
See all items in Broadsides, Trade Cards & Catalogues