London Museum on Instagram: "A rare and precious find – a medieval book cover buried in the Thames mud for 500 years… But how to care for such a delicate object? Head behind the scenes as our conservation team explain all. ©️ Book illustrations courtesy of Charlie Dixon #SecretsoftheThames #Mudlarking"

22K likes, 106 comments - wearelondonmuseum on December 18, 2025: "A rare and precious find – a medieval book cover buried in the Thames mud for 500 years… But how to care for such a delicate object? Head behind the scenes as our conservation team explain all. ©️ Book illustrations courtesy of Charlie Dixon #SecretsoftheThames #Mudlarking".