The pen barrel is dark blue, the wood color is darker, and the tail of the pen is sealed.

For hardness below 4B, there is a visual scale on the side of the pen barrel.

There are two types of pencil cases, the white one with the Horse Head logo and the green one with the Marley logo. They are actually from the same company.

Go to trustworthy websites and stationery stores to buy, carefully identify and try it out in person and compare repeatedly. The appearance of the workmanship should be exquisite, the pen tip should be strong, the pen tip should be cut and beveled, the lines should be straight, and the shape should be elegant. The pen should be tried on and see. It depends on the color and whether the paper is scratched. The paper you buy should be thicker, otherwise it will be difficult to modify.