I think this is a perfectly logical boundary. If she can't respect your sentimental, and perhaps valuable stuff, remove it to a safer location, such as a bank if you can afford it.
I don't think I've ever posted to you before, but I see you have little boys. I feel so bad for children involved in these sitched. Even my children as old as they are, are not happy with these circumstances.
Me:57 H:52 M:28 Got another lawyer last year and filed. D35,S/D twins28,D22 EA4/04 End? Who knows? "Life is like a mirror. Smile at it and it smiles back at you." — Peace Pilgrim