Paul,
You're here long enough to know about the search box.
A simple "Ping Rapture" search using the search box to the right shows there were various Ping Rapture Iron Sets.
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Ping Rapture V2 Iron Set (Graphite) L25+
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Ping 2010 Rapture V2 Iron Set (L33+)
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PING Rapture V2 Irons Set (L 48+)
And it looks like there was also a Ping Rapture V2 Full Set at Level 25+ for only 2718 Credits.
I guess the Ping Raptures were "retired" at some point and replaced with the Ping i25 Iron Set. I'm not sure because I didn't read that far into the topic.
Maybe the Pro Shop should show clubs that are no longer available as "Retired" and also state the year they were no longer available. I've seen that in various other places in online shops.
Hope this helps!
Paul