Furch Blue OM CM (OM Body / Cedar / Mahogany) Acoustic Guitar (2026 CNR Active Upgrade Model)The 20 series has proven to be quite outstanding and provides the opportunity for players even on a more restricted budget to experience the World Class tone of Stonebridge guitars. The 20 series made way in 2018 for the Blue Series which have also introduced the very latest CNR (Composite Neck Reinforcement) system which improves neck durability and extends the lifespan of the guitar as a whole Bare in mind these guitars are ALL SOLID construction,