eBay

I just can't get my head around eBay procedure at all. I started entering an item for sale and then decided against it- so the listing is part finished. I now want to list another item and eBay keeps telling me to 'please complete your listing'. I ca...

I am fairly new to selling coins. Is there anyway I can clean off the greenish marks on some copper ones. they are excellent apart from this.? Does anyone have any special ideas about preparing them for sale? Kitty