Animal Tag Seal, S2

Animal Tag Seal, Image by StuE, Found by Roger the Relic.
Found in Norfolk, 38 x 23mm, 13.2g.

Two disk rivet seal with long joining strap showing (F?)7E / TB / S2 // some markings on head of rivet indecipherable

The size and style of this seal suggest it is an early animal tag, see Dutch, Customs Seal, Animal Seal.