Jersey Post Faststamp - Jersey Flag 2014
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.
The datastring is B2GB14 J001 0407 - nnn
This is a collectors set of Jersey Post Faststamps:
Local Letter / Local Large / UK Letter / UK Large / Europe 20g / Int'l letter 20g