This is a very rare and stunning, very detailed vintage Sterling Silver Train Engine Model By Uno A Erre. The detail is really amazing, the wheels even turn. It is in excellent condition (see pictures) with a nice patina. It is fully hallmarked with a full set of Italian silver marks which are "Star 1 AR", 925 and Uno A Erre. It is approx. 4.5 cm long. It weighs a substantial 83.2 grams.