John Polhamus patented the Diamond pattern around 1860. This particular spoon was sold by the Ford & Tupper retailers active in New York City from 1867-1874. Their name is on the reverse. It is also marked sterling as well as "JP Patent 837" for John Polhamus who registered this design with patent 837. It is monogrammed on the front with entwined script letters. It is 8 1/4" long and in excellent condition with no dings, dents, or signs of excessive wear. We are offering free shipping on this item for our continental U.S. clients. Shipping and insurance for others will vary by location. Please e-mail us if you have any questions. We have been in business for 30 years. Your satisfaction is guaranteed.