1911 Ad Dr Whitehall Megrimine Co Headache Medicine - Original Print Ad Product Type: Original Print Ad; Black / White Grade: Very Fine + Dimensions: Approximately 2.5 x 1.25 inches; 6 x 3 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)