1991 Lincoln Memorial Cent 1C NGC MS64 RB The 1991 Lincoln Memorial Cent is an uncirculated coin with a grade of MS64. This copper coin features the iconic Lincoln Memorial design and was minted in Philadelphia. Certified by NGC, this coin is a valuable addition to any coin collection, showcasing a large date variety and a deep red color. Quantity: 1x coin per lot, graded NGC MS 64 RB