very old probably antique lost in 1940s, they were all recalled to be smelted for munitions for war effort, they make great key-rings, a must for the L F C fans, numbers and colours differ they polish up very well ill leave that to you, tally only no paper work,the ones in photo are gone you will receive  any questions just ask, they have nothing to do with mining belonged to Liverpool council, trams buses ferry's and trains used them.the remaining ones has been cancelled and re stamped on the back, see photos.