INV 2540 The Madeira by Guild A30M is a vintage acoustic guitar from the 1970s, known for its quality craftsmanship and sound. This model was part of Guild’s entry/intermediate line and was made in Japan. Here are some key features: Body: Dreadnought shape with a spruce top and maple back and sides. Neck: Maple neck with a rosewood fingerboard. Bridge: Rosewood bridge. Construction: All-laminate construction, which contributes to its durability and unique tone. These guitars are appreciated for their warm, rich sound and solid build quality. They often have a smooth feel and good action, making them a pleasure to play.