You can buy Threemen prints in my STORE on Deviant Art, which is the biggest art community in the Web and provides professional printing services.
You can get glossy, matte and luster prints, that utilizes all silver traditional photo processing, the same that you'd see in a photo finishing shop. DA print on high quality Fujifilm Crystal Archive paper, which will last over 60 years without fading.
Prints are available in 3 sizes: 13x18 cm, 20x25 and 28x26. Prints are not matted or framed unless you order this additionally from DA.