Did the 78 come with an am/fm cassette like they say? "The stereo am/fm cassette is also original and working. " from add. Also look at the head liner, it look like it is fall down over the driver side.

Here are two more to consider:

http://www.exoticclassics.com/inventory.aspx?_vstatus=3,4,5&_makef=datsun

The silver '73 was mine that I recently sold to a collector friend in NY....it is a very nice Z and only 8K miles.

No, it didn't come with that radio. The hitachi fm with electric antenna button was the stock radio