I hate to nitpick; but they must have meant that there were only four high short hood B23-7's left. All 54 of Southern's B23-7's had a high short hood. 4023 was the last one. It was a cool video.
:thumbsup:
https://en.wikipedia.org/wiki/GE_B23-7
https://en.wikipedia.org/wiki/GE_B23-7