Says he was 16, according to the page I found it on. So, 1964?
http://since-ive-been-loving-zeppelin.tumblr.com/post/68626556517/maybe-im-a-leo-john-bonham-his-son-jason-and
You said long and hard. The correct answer is obviously SIBLY. Tea for One is a less powerful rehash. Doesn't reach the heights of TFO, IMO. I believe Jimmy himself even said that.
^An audience recording, the soundboard definitely highlights Jimmy's tuning issues imo. I've always been partial to the Frankfurt 1980 rendition, those galloping drums and bass just sound heavy as fuck.