Roman numerals blue plaque

This blue commemorative plaque records: 17th century - originally thatched Roman numerical carpenters marks allowed prefabrication of oak timbers where trees were felled Listed Grade II Recorded plaque organisation: Frodsham Heritage Economic Regeneration Scheme.

Roman numerals are a numbering system using combinations of letters from the Latin alphabet (I, V, X, L, C, D, M), historically important for their widespread use in ancient Rome and continued usage in various contexts today, including carpentry as evidenced by 17th-century carpenters' marks on timber.