A great value valve oil that you can easily transport in your instrument case. Not only is it ideal for trumpet valves but also covers the requirements for many other brass instruments.
The Yamaha YCR2330III has kept the basic design of the hugely successful YCR-2330 and YCR-2310 cornets, and added some modifications.
This a a quality Yamaha cornet at an absolute bargain. For £199.00 you won’t find anything better.