The house flag of the General Steam Navigation Co Ltd, London. A rectangular, white flag with the letters 'G S N C' in the corners in red (serifs). In the center, a red globe surrounded by a blue-edged red belt, '1824' in red below.
Own work based on: House flag, General Steam Navigation Co Ltd RMG RP-73-17A (cropped).jpg
Original: General Steam Navigation Company Vector:  燃灯