File:Chalk (Annona Chalk, Upper Cretaceous; White Cliffs of the Little River, Arkansas, USA) (40795385595).jpg - Wikimedia Commons
The Ammonoidea of the Upper Chalk. Part 2: Monograph of the Palaeontographical Society The Ammonoidea of the Upper Chalk: Monographs of the Palaeontographical Society: Vol 174, No 656
Hand drawn chalk board alphabet font. Upper and lower case letters and numbers on a distressed background. Retro vector typeface for your design. Stock-Vektorgrafik | Adobe Stock