HOWARD HUGHES OIL DRILLING RIG INVENTION 18x24 PATENT ART POSTER PRINT 1916 DRILL VINTAGE GIFT UNFRAMED Beautiful top quality decorative wall artwork (unframed) Handmade in the USA with the finest materials for a lifetime of enjoyment Ultrachrome inks on card stock (10.3 mil Epson Enhanced Matte) Quickly ships from USA to you in a Kraft mailing tube via USPS Mail Standard large size 18x24 inches is easy and inexpensive to frame