Snakes & Ladders 1-100 Half Solid
https://www.thermoplastic-markings.co.uk/shop/tmg003-100sh-snakes-ladders-1-100-half-solid-1996
https://www.thermoplastic-markings.co.uk/web/image/product.template/1996/image_1920?unique=4c0f250
Internal Reference:
TMG003-100SH