WW1 Battersea Hospitals Flag Day paper fundraising charity badge

A scarce original circa First World War period 'Battersea Hospitals Flag Day double sided paper fund raising badge', depicting the 'Battersea Coat of Arms' with motto below 'Not Mine.Not Thine.But Ours' Very good clean condition, complete with an original pin from a silk flag, colours remain bright. Height of flag 24mm.