Hidden ___ (something that's valuable but doesn't look like it)

Let's find possible answers to "Hidden ___ (something that's valuable but doesn't look like it)" crossword clue. First of all, we will look for a few extra hints for this entry: Hidden ___ (something that's valuable but doesn't look like it). Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.