Gerardo Tan's Code, created in 1997.
The work is part of the exhibition 'Perishable Goods', curated by Roberto Chabet at West Gallery, Quezon City, 13 - 30 June 1997. The exhibition featured works by Chabet, Nilo Ilarde, Gerry Tan, and Bert Antonio.

Excerpt from the press release:
'Consisting of collages, assemblages, and installations that incorporates found objects, the exhibition examines the 'perishable goods' that define modern-day life and seeks in the debris and ruins of the fugitive, the ephemeral, and the contingent, the epiphanies that lie in wait.

The four artists who have regularly exhibited together since the early '80s are known for their highly exploratory, thought-provoking works that address modernist/post-modernist issues'