I believe it is a 1963 Year Model 1960 RD-RDL-22 RDS-RDSL-22 1961 RD-RDL-23 RDS-RDSL-23 1962 RD-RDL-24 RDS-RDSL-24 RK-RKL-24 1963 RD-RDL-25 RDS-RDSL-25 RK-RKL-25 1964 RD-RDL-26 RDS-RDSL-26 RK-RKL-26 1965 RD-RDL-27 RDS-RDSL-27 RK-RKL-27 1966 RD-RDL-28 RDS-RDSL-28 RK-RKL-28 1967 RD-RDL-29 RDS-RDSL-29 RK-RKL-29 1968 RD-RDL-30
Among many other things, the acronym RDL could stand for "Rapid Deployment (url) Launcher." This is a piece of software that can be programmed to open a list of your favorite urls in various browser tabs. The RDL can also be set up to open regularly used programs.
It means the "Romanian Dead Lift".
Reverse, Drive, Low gears
Chester A. Arthur die of Bright's disease in November 18,1886.
Arthur Marcotte died in 1958.
Arthur Bairstow died in 1945.
Arthur Clague died in 1983.
Arthur Darby died in 1960.
Arthur Wilmot died in 1876.
Arthur Sellers died in 1941.
Arthur Trappier died in 1975.