Patriotic in London Country Flags Celebrate Great Britain with this beautiful Union Jack invitation card. Customize and send paperless invitations with animated envelope and integrated guest management. Patriotic in London - Country Flags. Blue British Themed Invitation with Union Jack Design. Patriotic in London - Country Flags. Blue country flags square format card with half the british flag heading the top of card. Including designed Trajan and Rebecca font text in red and white to match card.