clear glass; square body and base; thick lip with thin collar; mold seam connecting lip and collar to neck; short neck; steep shoulders accentuates round top on each side of body; embossed text running length ways on one side of bottle: W. GREGG & CO. / DUNEDIN; opposite side of bottle reads: ESSENCE OF / COFFEE & CHICORY; one edge of the square body has multiple chips along corner; side mold seam runs down opposite corners of body; mold seam connects body to square base; stamped production mark on base reads: MADE IN NZ / 6 / AGM.