Apple ‘Liberty/Sir Prize’ is a double apple. Apple ‘Sir Prize’ is a type of large yellow apple similar to Golden Delicious but with a blush. The fruit is very juicy with crisp, tender flesh, and it is known for being an excellent keeper. The fruit becomes ripe in mid to late autumn, and during spring, the pink buds on Apple ‘Liberty/Sir Prize’ open up to white flowers. See Apple ‘Liberty’ for description. First image is of Apple ‘Liberty’, second is of Apple ‘Sir Prize’. Apple is deciduous and native to Afghanistan, Kazakhstan, Kyrgyzstan, Pakistan, Tajikistan, Uzbekistan, and China. Learn more about Apple. Apple ‘Sir Prize’ was developed in 1955 by the breeding cooperative of Purdue University in Indiana, United States, Rutgers University in New Jersey, United States, and Illinois University in Illinois, United States and was released into commerce in 1975.