noun
cheap ready-made seal; inexpensive personal stamp
Refers to a mass-produced, low-cost personal seal (hanko) often sold at stationery shops. The name comes from 三文 (three mon, a small amount of money) and 判 (seal). Used in contrast to a custom-made, registered seal.
See also: 印判
急ぎの書類には三文判で十分だ。
A cheap ready-made seal is enough for urgent documents.
三
You can buy a cheap seal at a stationery shop.
実印 is a registered seal used for important contracts and legal documents. 三文判 is the opposite: cheap and not registered.
From 三文 (three mon, a small amount of money) + 判 (seal). The term reflects the low cost of such seals.