Reference: UK1574
Brand: Intelligent AR Limited
UNITED KINGDOM (2015). Union flag - 'RN Submarine' - BOGB15 A004. ATM mint
Intelligent AR Limited (19.10.2015) - Post&Go. Union flag (original paper, no date). Special imprint ' RN Submarine '. Code BOGB15 A004. Mint ATM small value (1st Class up to 100g).