We appreciate your timely communication as well as your trusting us with the potential purchase of this fine vintage Martin. However, this instrument is currently here with us on consignment... removing it from the market for 2 weeks poses a bit of imposition on the potential sale to another customer, while your payment arrangements are sorted out.
We will begin the process of canceling the transaction and look forward to working with you soon...perhaps this particular 2-17 will still be available when eBay has your required proof of identity.