This is an original 1922 color print ad for the Protex Stop Signal from Protex Signal Company located at 310 Park Building, Cleveland, Ohio.
This 89+ year old Item is rated Near Mint / Very Fine+. No creases. No natural defects. No surface rub. No tears. No water damage.
Product Type: Original Print Ad; Color
Grade: Near Mint / Very Fine+
Dimensions: Approximately 8.25 x 11 inches; 21 x 28 cm
Authentication: Serial-Numbered Certificate of Authenticity w/ Full Provenance
Protection: Packaged in a custom archival sleeve with an acid-free black board (great for display, gift-giving, and preservation)
Keywords specific to this image: Vintage Advertising