This is a silver-plated genuine product from when the "IN" mark was small. It's now discontinued and unavailable, but it's a model favored by many professionals. Especially the genuine silver-plated ones are likely sought after by many. This is from the SA80 era and was originally included with silver-plated instruments. The price has been increasing year by year, so why not get one now if you're interested? Shipping costs will be covered.