Fulgurex/Aster Gauge 1 LNER A4 locomotive Mallard finished in LNER blue with valanced covered valve

Fulgurex/Aster Gauge 1 LNER A4 locomotive Mallard finished in LNER blue with valanced covered valve gear, shows some dust/ware from having been on display but appears to have never been in steam from new. No operating instructions or packaging, requires a good deep clean otherwise in excellent unused condition