Proline Decorative Concrete Systems MD7301 3' Diameter Sun Stamp Medallion Concrete Stamp. Proline offers two versions of it's Flaming Sun, by itself and encased in a 3 ft. Medallion circle. Easy to color with our EZ-Accent water based Stain. Apollo is the Greek sun god, bringing life-giving heat and light to earth. This sun is set inside a 3 ft. diameter stamp. The background texture is Italian Slate. Use our easy-to-use water-based acrylic stains, Accent Color. Add this beautifully carved stamp to any home or business for a real "sizzling" look. Proline also offers this same look as a skin, without the circle. If you love sun patterns, also check out our brand new Seamless Design, Spiral Sun.