The Columbia 6 Pc Lot of 1950 to 1980 coins includes various denominations such as 5, 10 Centavos, and 1 Peso. These circulated coins are composed of copper-nickel and have a fineness of 0.75. The lot features coins from the years 1956, 1960, 1976, 1977, and 1980, making it a diverse and interesting addition to any coin collection.