I accept rubles. You will need to write their data on the receipt and sign it.
I can send you a receipt that can be paid in the Bank. Or to the account to transfer the payment otherwise.
You can make mail order sent me the details.The money will be transferred to my account. I have to warn that mail transfer can take quite a long time and mail takes a Commission.
Electronic payment systems
PayPal, Yandex-cash.
If you order first time, or you order an unusual thing I take 50% advance payment.