Steves Poster Store DIVING HELMET INVENTION POSTER 1967 US PATENT ART RETRO PRINT 18X24 SAVOIE SCUBA DIVER DIVE GIFT Beautiful top quality decorative wall artwork poster (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 paper) Quickly ships from USA to you in a Kraft mailing tube via US Postal Service Standard large size measures 18 by 24 inches, DIY easy and inexpensive to frame