"Tri-Umf" Standard Roller Ball, a design by Adrian Olabuenaga, comes from ACME Studio's Standard Roller Ball Pens. The pen comes with one black roller ball refill. Artist's signature is engraved on the cap band and "ACME" is on the clip. The pen is presented in a metal ACME tin with a black sleeve.
About ACME Studio
Started in 1985, ACME Studio is an international product design company, producing and marketing writing instruments, and other design objects. Its products are the result of cooperation with the world's leading architects, designers, artists, foundations, estates, and institutions. ACME Studio has a habit of producing limited editions and/or discontinuing products and destroying the molds - this causes items to become very unique and collectible.