This is a freehand calligraphy material of the character "粋" (iki, meaning stylish or sophisticated).
Based on the semi-cursive script, the calligraphy utilizes sharp, straight lines and flowing brushstrokes to create a refined atmosphere that evokes the aesthetic sensibilities of the Edo period.
It can be used for creating a dignified Japanese-style atmosphere, such as modern Japanese store designs, packaging for sake and Japanese sweets, and title lettering for Japanese goods.