"My Lucky Day 我的幸運日" by Javier Calleja is a mixed media work on paper that exemplifies the Spanish artist's characteristic blend of figuration and abstraction. The piece combines representational imagery with gestural mark making and layered materials to create a dynamic composition that invites multiple interpretations. Calleja's use of mixed media techniques adds depth and texture to the work, reflecting his interest in exploring the relationship between control and spontaneity in the creative process.