1951 Ad Sinclair Petroleum Oil Research Laboratories Wright Brothers W M PSC1

This is an original 1951 black and white print ad for the Sinclair Research Laboratories Incorporation of 630 Fifth Avenue, New York. CONDITIONThis 60+ year old Item is rated Very Fine +++. Light aging throughout. No creases. No natural defects. No surface rub. No tears. No water damage. Product Type: Original Print Ad; Black / White Grade: Very Fine +++ Dimensions: Approximately 6 x 9 inches; 15 x 23 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: Harvey, Illinois, Sinclair PlanPSC1A8C51