I say restore it. It looks like it is all there. The top looks like a meyers or kelly and yes, the steel half cabs for early CJ5/6s are hard to find.
"Rubi" 2005 Jeep Rubicon, 4.0, 6 speed
"Monts" 1953 3A, L134, T90, D18, OD, ex-Monsanto Chemical Co. Jeep
The Jalopy, '47 2A, 225 V6, T18 w/ granny gear
"Patina" '47 2A, L134, T90, D18, lotsa rust