The 2004 S Sacagawea PCGS PR70DCAM $1 Dollar coin is a highly sought after collectible item with a low population of just 33 coin slabs signed by Philip Diehl. This uncirculated coin features a Native American design, made of copper, and struck as a proof in San Francisco Mint. Certification from PCGS adds to its authenticity and value. It is a rare piece signed by Philip Diehl, adding to its unique appeal for coin collectors.