Instead of just asking for a signature with no specifications whatsoever, you can order/buy a signature from a signature shop here on the forums - there are plenty of them. You will also have no trouble affording one either seeing as you have over 200 BTB - the signature shops I've seen sell signatures that you fully customise for around 100 BTB.
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Also, all the signature makers I've seen who are actually great at what they do ask for payment in BTB, not IGB, although I've seen some that will accept IGB if you don't have BTB.