- Designer Showcase
This is a very well preserved matrix ammonite. This ammonite is framed in its natural shale matrix, which measures 35 cm across and 27 cm in height (13 ¾” X 10 ½”). This specimen shows all the distinct colours that collectors search for, with vibrant colours from all across the colour spectrum. This Placenticeras costatum ammonite measures 16 cm (6 ¼”) across, with the whole piece weighs 4.3 kg.