On the "readme file" at the right column there is at least the year the item is published and sometimes the date.
But it will give you no information on the probability to find it. An item is available on "these sites" only if someone buys it and gives it to one site. It may happens for old items or very new items as well. And the best way to know is to ask google.
Concerning Angelica Jolie clones, there is an excellent one by Mousso
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You can easily find a pirated version
https://f95zone.to/threads/joanna-for-g3f-and-g8f.48776/