Pressure switch has been removed - see the listing -
'IN VERY GOOD CONDITION COMPLETE WITH THREADED HOLE FOR PRESSURE SWITCH'
Looks in quite good condition, if that's the one that turns up then winner however be careful of library images, looking how many he has he either has a great supply of remarkably clean rust-free cars or he photographed the best one and that's not what you'll get.
Well worth a look though, if that's the one that you'll be getting it would be a very rare thing indeed.