Xerox club poster on a flat white-grey field, enormous black blackletter WINTER SWIM filling the top third, one figure caught mid-plunge with arms up printed as a two-colour cyan and black halftone, not a photograph, a cyan bar across the bottom, two numbered octagon badges, heavy photocopy grain. xerox club poster, heavy photocopy grain covering the whole sheet, blown contrast, cheap paper stock, no photograph, no white background