Cashier's check, move your money yourself?
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Cashier's checks are normally printed at the bank and are "bank checks", so they should clear if you actually get them from a bank. Also, they have a cool lil' stampy thing and you can void them and shit.
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You could probably hook up both banks to paypal or some third party service and move your money fairly slowly via that process.
ACH / SEPTA transfers are standard for North America / Europe.
Crypto could be possible if you're also bothering to exchange currencies, otherwise you might as well just withdraw the cash and move it yourself.