Ensigns and National Merchant Flags. 1. Union Jack 2. White Ensign (Royal Navy) 3. Blue Ensign (Royal Navy Reserve) 4. Red Ensign (Mercantile Marine) 5. Royal Mail 6. St. George's Cross (flown by Admiralty) 7. Admiralty 8. Pilot on Board 9. Australia 10. Canada 11. South Africa 12. New Zealand 13. United States 14. France 15. Germany 16. Italy 17. Belgium 18. Holland 19. Norway 20. Sweden 21. Denmark 22. Spain 23. Yugoslavia 24. Greece 25. Poland 26. Japan 27. China 28. Siam. From The Book of Ships, published c.1920.

- Image ID: PH30HF
Ensigns and National Merchant Flags. 1. Union Jack 2. White Ensign (Royal Navy) 3. Blue Ensign (Royal Navy Reserve) 4. Red Ensign (Mercantile Marine) 5. Royal Mail 6. St. George's Cross (flown by Admiralty) 7. Admiralty 8. Pilot on Board 9. Australia 10. Canada 11. South Africa 12. New Zealand 13. United States 14. France 15. Germany 16. Italy 17. Belgium 18. Holland 19. Norway 20. Sweden 21. Denmark 22. Spain 23. Yugoslavia 24. Greece 25. Poland 26. Japan 27. China 28. Siam. From The Book of Ships, published c.1920.
Hilary Morgan / Alamy Stock Photo
Image ID: PH30HF