Mercury Record Manufacturing Company

Richmond, Indiana, USA, pressing plant formed by the 1966 merger of Fontana), which are distinguished by a small hand-etched 'MR' in the deadwax (and, by the later '60s, a 2.75" diameter pressing ring in the label area of LPs). Some deep-catalogue albums from the early part of this period have a small etched 'MR' on one side and an 'RR' from Richmond Record Pressings days on the other.