See photo of stain on back side of ruler.
Westcott - Westcott 12 Wood Ruler With Single Metal Edge (10381)
VINTAGE WESTCOTT OLD Logo 12 Wood Ruler Metal Strip Edge USA Made
Vintage Westcott 18 Inch Wooden Ruler R 501-18 Made in USA - Metal Edge
Vintage 15 Ruler Westcott Ruler Wooden
Westcott - Wood Rulers
Westcott - Westcott 12 Stainless Steel Office Ruler With Non Slip Cork Base (10415)
Wooden Ruler In Collectible Rules & Tapes for sale
Westcott 10416 15 Stainless Steel Office Ruler with Non Slip Cork Base : Office And School Rulers : Office Products
VINTAGE WESTCOTT OLD Logo 12 Wood Ruler Metal Strip Edge USA Made
Vintage 12 in. Westcott W Arrow Logo R501-12 Wooden Ruler With Straight Edge
See photo of stain on back side of ruler.
VINTAGE WESTCOTT 15” INCH WOOD RULER OLD LOGO NO. R501-15 RARE