Once your sale has been completed, could you please mark your thread as sold by doing the following.
Click on Thread Tools (at the top of the thread) and near the bottom of the menu you will find a link to "Mark this thread as sold"
If the item becomes available again you may re-open your thread by marking it as unsold:
Once you mark your thread as sold the thread will be closed and will have a 'sold' prefix in front of it:
Thank you.:)