I think the impressed number is either 15 or 16 which can be made out in reality with a magnifying glass but the photo has not picked it up.
Vintage Daler Rowney Wooden Oil Painting Box Set: Paints, Brushes & Accessories
Vintage 72pc Rowney Wooden Box Set Assorted Pastels Used Pre-owned V Good Cond.
Vinyl Album Storage Box Large Capacity Wooden LP Album Box Vintage Design
Vintage LARGE Flower / Leaf Design Wooden Printing Block for Fabrics etc. #252
Large 21” Vintage Artist’s Wooden Mannequin – Mid-Century Lay Figure
