1968 United States Lincoln Memorial Cent with Significant Damage

This item is a 1968 United States one-cent coin, commonly known as a Lincoln Penny. The coin is composed of 95% copper and 5% tin and zinc, measuring approximately 19mm in diameter. The obverse features the profile of Abraham Lincoln facing right, the motto 'IN GOD WE TRUST' along the top rim, the word 'LIBERTY' to the left, and the date '1968' on the right. There is no visible mint mark, which typically indicates it was struck at the Philadelphia Mint. The coin is in extremely poor condition, exhibiting severe environmental damage or corrosion that has darkened the surface to an uneven, mottled brown and black patina. The strike appears soft or eroded, particularly around Lincoln’s hair and jacket. Most notably, the coin features a significant semi-circular chunk or notch missing from the bottom rim directly below Lincoln's bust. This missing portion does not appear to be a 'clipped planchet' mint error but rather mechanical damage or a 'post-mint injury.' There is additional heavy wear and pitting across the entire surface, suggesting exposure to harsh chemicals or fire. The overall craftsmanship is that of standard mass-produced currency, but the current state is heavily degraded.