Mailbox from Japan

This card was printed by Japanese company PostaCollect. They sell a variety of unusually-shaped cards, showing old-fashioned mailboxes or significant symbols of Japanese prefectures. I wish I had more of PostaCollect cards!

I also love Japanese stamps:

Bottle post

This is an advertisement for bottle post that can be sent via Finnish post. That's so cool, I wish I could get a message in a bottle!

Here's also the stamp:

A card showing stamps