Vintage Whitall Tatum No. 1 Glass Insulator CD 154 (1940) MINT Condition

Vintage Whitall Tatum No. 1 Glass Insulator CD 154 Clear (1940) Near mint condition CD 154 Whitall Tatum No. 1 glass insulator (appears to have never been used). * (F-Skirt) WHITALL TATUM / No 1 * (R-Skirt) MADE IN U.S.A. / 3 - 40 / "A" in small circle [for Armstrong, which acquired WT in 1938) * Smooth base * Double petticoat * Insulator measures approx. 3-7/8" tall x 3-5/8" diameter at base * Near pristine condition - 1/16" chip on dome is only discernible flaw * Please see all pictures (taken in natural sunlight) Smoke free home.