Reference: UK1303BP1
Brand: Hytech
UNITED KINGDOM (2013). Union flag - 'The B.P.M.A.' - A2GB13 A1. ATM mint
Hytech - Postalvision (21.02.2013) - Post&Go. Union flag. Special overprinting 'The B.P.M.A.' Code A2GB13 A1 Mint ATM, small value (1st Class).