Brand new old stock in opened box.  Box is very solid  but does have some stains on the sides. 

For sale is a vintage Carl Goldberg SP1 sailplane and glider kit, brand new, never taken out of the opened box. This unassembled kit is a hobby-grade model made from high-quality wood materials, and it was manufactured in the United States. The Gentle Lady 2 Meter Sailplane Airplane Glider kit is perfect for collectors or enthusiasts who appreciate vintage and rare pieces. The model grade is suitable for hobbyists who enjoy assembling and customizing their own kits. Please view all pictures and ask any questions before purchase.