Where is the costume, in the UK or states?
Anyone with the savvy to build a proper costume, should be able to get you detailed shots of everything as it sits.
It is possible they dont have the money to ship it, however, that needed to be discussed in the front. if it wasnt, youll need to do a little dealing to get things straight.
There are ways to open up public dialog, and discuss it without acusing, or insulting. I paid $50 for fettdad to rub my corns. He never did.
There. hes outed. Take my lead.