![What flag is this? Blue and Yellow cross on a black background with a ship ensign. Spotted in Scotland. : r/vexillology What flag is this? Blue and Yellow cross on a black background with a ship ensign. Spotted in Scotland. : r/vexillology](https://i.redd.it/o1rv4yrsrgo71.jpg)
What flag is this? Blue and Yellow cross on a black background with a ship ensign. Spotted in Scotland. : r/vexillology
![Flag of autonomous region of Portugal - Madeira: yellow and blue vertical stripes with red bordered white cross on central band Stock Photo - Alamy Flag of autonomous region of Portugal - Madeira: yellow and blue vertical stripes with red bordered white cross on central band Stock Photo - Alamy](https://c8.alamy.com/comp/DTFWAE/flag-of-autonomous-region-of-portugal-madeira-yellow-and-blue-vertical-DTFWAE.jpg)
Flag of autonomous region of Portugal - Madeira: yellow and blue vertical stripes with red bordered white cross on central band Stock Photo - Alamy
![A flag for a union between Sweden (blue field, yellow cross), Denmark (red field within yellow cross, white cross), and Norway, (red field, white cross, blue cross). 2nd Kalmar Union anyone? : A flag for a union between Sweden (blue field, yellow cross), Denmark (red field within yellow cross, white cross), and Norway, (red field, white cross, blue cross). 2nd Kalmar Union anyone? :](https://i.redd.it/9f6uuji9fsi41.jpg)