Spencer Finch's "Prussian Blue" (2005) is a sculptural light installation composed of four fixtures and forty-three incandescent bulbs, configured to render a precise chromatic experience drawn from one of art history's most storied pigments. Finch, whose practice consistently interrogates the phenomenology of color and perception, here turns to the synthetic blue that has haunted Western painting since its accidental discovery in early eighteenth-century Berlin. The work does not depict Prussian blue so much as inhabit it, translating pigment into luminous atmosphere and inviting the viewer into an encounter with color as a physical, almost architectural presence. The installation's variable dimensions allow it to adapt to diverse environments while retaining its essential perceptual character, making it a remarkably flexible acquisition for both residential and institutional spaces. Finch occupies a distinguished position in contemporary art, with major commissions including the memorial installation at the World Trade Center site, and his investigations into light have earned sustained critical recognition across Europe and the United States. "Prussian Blue" belongs to a body of work that treats scientific precision and poetic sensibility not as opposing forces but as complementary instruments for understanding how the world is seen and felt. Signed by the artist and offered at variable dimensions through Galerie Nordenhake, this work represents a compelling entry point into Finch's inquiry at a moment when his practice continues to receive significant institutional attention. Collectors drawn to the intersection of conceptual rigor and sensory immediacy will find in "Prussian Blue" a work that rewards sustained living-with, shifting subtly as surrounding light conditions change and affirming Finch's rare ability to make perception itself the subject of lasting aesthetic contemplation.