Even the dial label looks pretty close to the original.
But the dear old GPO would never have offered a phone with a plug on the end of the handset cord. Mr Joseph Public was *never* trusted with anything that he could unplug back in those days.
I was always amazed that the Americans had plug-in phones years and years before we did over here. The GPO were scared somebody would electrocute themselves on 50 volts DC, or worse still, 75 volts AC ringing current.
I had one of the first plugs and sockets in this area for a "Post Office Viewdata" terminal, the forerunner of the full Prestel service. It was a huge "Plug 505" and "Socket 96a" system that they had to send an engineer from Bristol to install because none of the local guys understood how to wire it up.