So, I’m the lucky friend! Big thanks to Myron for posting and asking y’all for info. After a bit of looking around, I think I’ve found the maker: Ramsden & Roen, who operated out of London from 1929 to 1976 and made gold trinkets like ash trays, boxes, cigar cutters, cigarette cases, etc. Seems very plausible that they would’ve made these scales and sold the knife in their shop. Anyone ever seen one like this before??Ref: https://www.silvermakersmarks.co.uk/Makers/London-RA-RD.html#R&