Rare vintage ACC Portland BBB Cement advertising sign, featuring bold graphics of a cement sack with ACC logo and Hindi script. Made of porcelain enamel on metal, this sign reflects mid-20th century Indian industrial advertising. Displays an attractive orange, black, and white color scheme. A highly collectible piece of construction industry memorabilia from India, perfect for collectors of vintage enamel signs, cement industry history, and retro advertising boards. Original ACC Portland BBB Cement advertising sign. Material: Porcelain enamel on metal. 24 x 18 inches. Condition: Visible rusting, edge wear, enamel loss, and chips (see photos). Era: Mid-20th century industrial India. Subject: Cement advertising board. Authentic vintage collectible for display.