Snakes & Ladders 1-64 Half Solid
https://www.thermoplastic-markings.co.uk/shop/tmg003-64sh-snakes-ladders-1-64-half-solid-2016
https://www.thermoplastic-markings.co.uk/web/image/product.template/2016/image_1920?unique=4c0f250
Internal Reference:
TMG003-64SH