Sell this item button

For selling items that already in the directory it would be nice to see a possibility that with a click of a button people can sell this item.
Idea is from Discogs.com
You can do this 2 ways

1
Sell a similar item - button for directories with all advertisements
All the data will be copied where some fields will be left empty to fill in by the user.

2
Sell Copy - Button for hobby-directories where the directory should be not changed but all data should be copied to the directory for selling.
When people browse the initial database they instantly can see how many people sell the same item with the possibility to purchase this item.