We ship to the buyer at a verified address. All material is guaranteed as described and given a life-time guarantee of authenticity. All material must be paid for in full prior to shipment. Reciprocal courtesy shown to ABAA and ILAB members. All material is returnable within ten calendar days with advance written notification from the buyer stating the reason for the return. Returned material must be returned in exactly the same condition and secure internal wrapping in which it was shipped for a full refund to be made. Customers are expected to pay for shipping at the time of purchase. Some large, heavy books or sets of books, will require additional shipping. It is recommended that customers request shipments be sent to themselves in their own names by the most secure means to their verified addresses to assure speedy and secure insured delivery. For some customers outside the United States, special arrangements may be necessary to assure safe and secure delivery. We accept checks drawn on United States banks in dollars, electronic funds transfers, as well as payments through PayPal. Sales to residents of New York State and New York City are subject to state and local taxes. All books and/or items remain the property of G. Gosen Rare Books & Old Paper until payment in full has been received. All material is subject to prior sale.