I own the green monkey from WICKED, a can of SPAMalot Spam, and other very individual, specific items from various shows.
Personally, I like the "oddball" items the most. They stand out and make the meories more vivid
"TO LOVE ANOTHER PERSON IS TO SEE THE FACE OF GOD"- LES MISERABLES---
"THERE'S A SPECIAL KIND OF PEOPLE KNOWN AS SHOW PEOPLE... WE'RE BORN EVERY NIGHT AT HALF HOUR CALL!"--- CURTAINS