In this Postcrossing Round Robin called "Write back My Postcard" Paivi Tiiva was kind enough to send me a thank you postcard of vintage era of the Opera Cabaret.
I love vintage postcards
EDITED 5 Jul: Thanks Shoshi for pointing out the stamp almost resembling a zentangle pattern
If you'd like to play along with this meme, post your Postcard A Day and link up below so we can all visit your blog. Please add the direct link to your post and not just your blog so the post is easy to find. Link back to this meme so everyone can play too.