Please follow this link and fill out the missing Silver contact from at the bottom of the page. https://www.bungie.net/en/Support/Troubleshoot?oid=13657
This happened to me twice in destiny' 1. Bought the character boost for £25, but it never appeared in-game. Contacted bungie, told me to contact Sony, went to Sony, said it's a bungie issue. Happened once on PS3, then I forgot n bought another on PS4, and it happened again.