If you were using the mobile vault, it's a good idea to take a look over this article, for troubleshooting steps:
https://www.bungie.net/en/Help/Article/12655
Beyond that, note that bungie cannot restore items:
https://www.bungie.net/en/Help/Article/12211
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Went through the troubleshooting and it turned back up! Thanks a ton for the info ^^b