Sunday Stamps: Flags or ensigns

At the moment the European soccer competition (UEFA) takes place. The Netherlands doesn't participate this time, but I like to share the following soccer stamp sheet today, issued by Dutch PostNL two years ago in honour of the World Championship.
Why today? Well, this Sunday Stamps' theme is 'Flags or ensigns', and you can see the flags of the participating countries - be it in the shape of the ball.



I found some other flag stamps:

An Italian stamp, showing the flags of Italy and San Marino:



The Scottish flag:



The red and white squared flag top left is the flag of the (Dutch) province Brabant, and I think the ensign belongs to the specific group the boy and man belong to:



See more 'Flags and Ensigns' stamps at Sunday Stamps.