I personally think your valuation is a little high for the grade it is in, and also don't understand why purchase and swap value is not the same?
If it was a better grade then I would have been interested, but it is a low VF in my opinion and not worth what you are asking (presuming you mean USD).
Restoration addict : Verdigris Removal : Zinc White spot removal : Iron Rust Removal : Silver brooch/necklace mount Removal