On Friday I got two postcards: one from Germany and one from China.
The card from Germany shows various fish species from the Baltic and the North Sea.
I bought this card some years ago on Sylt.
1. Atlantic Cod 2. European Flounder 3. Eel 4. Atlantic Herring 5. Sprattus 6. Catshark 7. Rose Fish 8. Atlantic Mackerel 9. Thorny Skate 10. Sturgeon 11. Needlefish 12. European Plaice
With matching stamps:
Marine Fish (whole set) (issued 04-08-2016)
with a special postmark showing a European Plaice