Payment terms: 13% Online Buyer's Premium in effect for all purchases. Cash, check, wire transfer. Credit cards are only accepted on invoices with a total of less than $2500. All payments are due immediately upon receipt of your invoice. Onsite buyers, payment is due the day of the auction. If onsite bidders wish to send a wire and still be assessed only the onsite buyer’s premium, they must present a bank letter of credit (with limit stated equal to or higher than the amount owed by bidder) and wire must be sent no later than one business day after the auction.