Promotional 25cm x 20cm Onyx Black Wall Display Plaque The 25cm x 20cm onyx black glass plaque can be engraved with any commemoration details for a building opening or to recognise an outstanding achievement it can be mounted vertically or horizontally onto a wall internal recommended using the 4 satin chrome fixing stand offs that are supplied with the plaque. The plaque displays best when the engraving is infilled as shown the price for infilling is shown in the price list. This plaque is suitable for sub surface engraving. Please note that this is Seconds Quality plain stock at a greatly reduced price from our standard wholesale price. The fault may be air bubbles mould marks very small chips marks in the engraving panel or a slight variation in size from first quality stock.