本ほん籤くじ

noun

first prize in a private lottery

Refers specifically to the top prize in a private lottery (not a public one). The term is somewhat specialized and may not be widely used in everyday conversation.

• 商しょう店てん街がいの福ふく引びきで本ほん籤くじが当あたった。

  I won the first prize in the shopping district's lottery.