Reference: UK1534
Brand: Intelligent AR Limited
UNITED KINGDOM (2015). Union flag - B5GB15 GI01 - 'Gibraltar House'. ATM mint (1st Class)
Intelligent AR Limited (18.05.2015) - Post&Go. Union flag (original paper, no date). Code B5GB15 GI01 - Special imprint ' Gibraltar House '. ATM mint (1st Class up to 100g).