Eleven reverse stickers illustrating TH · Carlson Fable Collection

Title: Eleven reverse stickers illustrating TH
Description: 2015? Eleven reverse stickers illustrating TH within a red circle. 4.25” square. With adhesive on the image side, covered by a thick transparency. Unknown source.

I wonder where and how we got these! Eight have www.cartilage.biz at the bottom, and 3 have www.hareandtortoise.co.uk. The latter seem to belong to a London restaurant. I removed the transparent cover of one to scan it. Stickers generally have the adhesive on the verso. And so I wonder how these were meant to be used. Red hare, green tortoise.
Date: 2015?
Subject: Printed Materials See all items with this value; Stickers See all items with this value; The Tortoise and the Hare See all items with this value