Is it illegal to use a used stamp (as a decoration) with enough new postage?

Question by Hello peoples of the Earth!!!: Is it illegal to use a used stamp (as a decoration) with enough new postage?
Is it illegal to use a used stamp (as a decoration) with enough new postage?

Best answer:

Answer by a_thing_like_jesus
i dont see why it would be illegal. it’s your stamp.

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