int a = 41; object aBoxed = a; int? aNullable = (int?)aBoxed; Console.WriteLine($"Value of aNullable: {aNullable}"); object aNullableBoxed = aNullable; if (aNullableBoxed is int valueOfA) { Console.WriteLine($"aNullableBoxed is boxed int: {valueOfA}"); } // Output: // Value of aNullable: 41 // aNullableBoxed is boxed int: 41