Personal seal, as a voucher mark, has no specified size. Ordinary seals can be made in the engraving department. Nowadays, most of them are computer designs, and machines are carved on rubber and other materials, which is desirable. You can also choose to carve the seal by hand, which is made of horn, pyrophyllite, plexiglass, copper and so on. It will take a little longer to carve. These materials are basically mass-produced by stamp factories, with specifications ranging from several millimeters to several centimeters. Ordinary people can choose 1.2, 1.5 or 2cm for printing. The shape is mainly square, but also round and oval. Fonts are usually in regular script, regular script, regular script, regular script and Li Shu.
If you pay attention, you can ask the seal engraver to seal. If it is used as a voucher, it should not be too big, but within 2 cm is enough. Some seal engravers like to carve Yin Zhangshi by themselves, regardless of size, square or circle. This kind of seal generally uses the seal calligraphy, which is difficult to identify as an ordinary voucher, and is more suitable for stamping books, calligraphy and painting works.
Personal seal, as the evidence of the legal representative and the person in charge of finance, needs to be filed in the bank, and its size is regulated. The legal representative's seal is 2.5 cm, and the financial controller's seal is 2.2cm..