1922 Ad Dentist Public Service Announcement Oral Hygiene World War II Health - Original Print Ad Product Type: Original Print Ad; Black / White Grade: Very Fine ++ Dimensions: Approximately 8 x 11.5 inches; 20 x 29 cm Authentication: Serial-Numbered Certificate of Authenticity w/ Full Provenance Packaged in custom sleeve w/ archival black board (great for display, gift-giving, and preservation)