1. Keith Haring 1998 Limited Edition “Dancers”- Acme Studio Fountain Pen “No. 0080/2500”

A 1998 AP limited edition Dancers fountain pen with designs by Keith Haring and produced by Acme. Released from 1998 to 1999, the pen has a silver tone case with Haring's signature Pop Art style of animated people depicted dancing in multiple colors. The pen clip is marked “ACME”. Limited edition “0080/2500” card and original case included with the pen.
https://acmestudio.com/archive-writing_tools-pens/Keith_Haring/DANCERS_Limited_Edition_Roller_Ball_ARCHIVED/DANCERS_LE%7C/PKH04RLE/

2. Kenny Scharf Acme Studio "One Eye Guy"- Acme Studio Fountain Pen “No. 0080/2500”

A One Eye Guy fountain ball pen designed by Kenny Scharf (born 1958) for Acme Studio. Marked "Acme" to the clip, the pen is silver with a yellow, blue, black, and white smiling caricature face design. The cap band is marked "Kenny Scharf" and the pen's original case is included. 

Kenny Scharf is an American painter who got his start as part of the 1980s New York East Village graffiti scene. Earning a BFA in painting from the School of Visual Arts in 1980, Scharf's work has been shown at many prestigious museums, including MoMA and the Whitney. 

https://acmestudio.com/archive-writing_tools-pens/Kenny_Scharf/ONE_EYE_GUY_Limited_Edition_Roller_Ball_ARCHIVED/ONEEYEGUY%7C/PKS03LE/

3. ROMERO BRITTO Acme Studio "Boomfish" - Acme Studio Fountain Pen “No. 0080/2500”

A Boomfish fountain pen designed by Romero Britto for Acme Studio. Marked "Acme" to the clip, the pen is silver with a yellow, magenta, black, and white smiling fish design. The cap band is marked "R Britto" and the pen's original case is included. 

https://acmestudio.com/archive-writing_tools-pens/Romero_Britto/BOOMFISH_Limited_Edition_Roller_Ball_ARCHIVED/BOOMFISH%7C/PRB01RLE/