工字牌

Originally registered by Yichuan Industrial Society in the seventh year of the Republic of China (1918). It is now a product of Sichuan-Chongqing Tobacco, serving as a low-end traditional hand-rolled small cigar.

最早由益川工业社注册于民国七年（1918年）。现为川渝中烟雪茄辅助产品，为低端传统手卷小雪茄。