The link you posted is actually easy to get to display the image all you need is the [ img] and the [/img ] tags. So it would look like this [ img]i.imgur.com/XBPm7s4.jpg[/img ]
or if I took out the spaces inside the it’ll display like so:
I believe it came from a booster box from years ago… I have multiple butterfree d editions in my collection I still have an unopened booster box from back then still. I would say there is a possibility that there could be more but who knows…