Jersey Post Faststamp - Jersey Flag Spring Stampex 2015
Jersey Post introduced their Post and Go machine J001 at Spring Stampex 2014 with a machine dispensing on one roll the Jersey Flag stamp and on the other Royal Mail's Union Flag stamp.
In 2015 the stamps had an additional inscription:
The datastring is B2GB15 JE01 1534 - nnn
This is a single Jersey Post Faststamp at the Local Letter 100g rate