Our theme this week is Open - Anything you wish. Maybe this could include interesting stamps that are hard to fit into any theme. That is not the case for me because I think we have had the theme of castles before.
There are always castles to be seen and to appear on stamps in Europe and other countries. In the USA? Not many unless you count the large castle-like homes built by very rich families in the late 1800's and early 1900's, such as George Vanderbilt's Biltmore. And these are not likely to appear on stamps. Germany, it appears, has a never-ending supply of schlosses (and I don't mean that unkindly!)
Here is another recent arrival in my mailbox:
This stamp is from China. Please join me in an easy theme this week, if you are not on vacation!
Theme next week: faraway (romantic? exotic?) places.
Theme week after that: undersea life.