Either trace it or build a new one from scratch. It woldnt be that difficult: the stars are easily done with the star tool. The moon is a pretty simple "delete-forward" operation. The sun is a matter of creating a fire section and then repeating it around a circle, then constructing a face. Put a square under the finished work, and use it to define a tile pattern. Itd be more work, but it could be done.

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