Final answer:
In Edmund Spenser's 'The Faerie Queene,' the knight wore the symbol of a red cross on his chest, signifying holiness and representing St. George as well as the virtue of faith.
Step-by-step explanation:
In Edmund Spenser's The Faerie Queene, the knight known as the Red Cross Knight symbolizes holiness and St. George, the patron saint of England. The symbol the knight wore on his chest was a red cross, which is associated with the Christian virtue of faith and also serves as a marker of his identity throughout the allegory in Spenser's work. While the provided excerpts from different texts evoke vivid imagery of medieval chivalry and symbolism, they don't specifically describe the Red Cross Knight's emblem from The Faerie Queene. The red cross is a central symbol in the epic poem and is emblematic of the knight's spiritual mission and the larger religious undercurrents that Spenser weaves into his narrative.