It looks like there’s been some changes to the floor boards — probably rusted out and were replaced.
“We are selling our 1950 CJ-3A. We have used this Jeep to explore many trails in Oklahoma and Arkansas. The Jeep is nearly origional with only bolt on accessories and could easily be restored to origional condition if desired. The body is in very good shape with only a little panel straightening needed. I haven’t found any rust on the Jeep except for the hat channels which have been strengthened, but would require new for restoration. This CJ is very solid….”