Here's a spot to collect all pattern sightings, leads, requests to buy, and offers to sell in one handy spot so we don't wind up with four thousand threads for the same topic.
Here are links to existing threads on relevant topics:
https://oliverands.com/forums/topic.php?id=865
https://oliverands.com/forums/topic.php?id=884
https://oliverands.com/forums/topic.php?id=807
https://oliverands.com/forums/topic.php?id=804
https://oliverands.com/forums/topic.php?id=782
https://oliverands.com/forums/topic.php?id=772
https://oliverands.com/forums/topic.php?id=742
https://oliverands.com/forums/topic.php?id=717
https://oliverands.com/forums/topic.php?id=731
https://oliverands.com/forums/topic.php?id=622
https://oliverands.com/forums/topic.php?id=479
https://oliverands.com/forums/topic.php?id=256
https://oliverands.com/forums/topic.php?id=753
https://oliverands.com/forums/topic.php?id=779
https://oliverands.com/forums/topic.php?id=690
https://oliverands.com/forums/topic.php?id=200