The Nikon Df in the black color scheme along with the 50mm f1.8G Special Edition lens are available in refurbished condition with a 90 day Nikon USA warranty for $2100 with free shipping at Adorama as part of their Refurbished sale.
UPDATE: they also have the refurbished Df body only (black color scheme) for $1900 with a 90 day Nikon USA warranty. So the refurbished 50mm f1.8G SE lens is a +$200 in this case.
The new condition at authorized dealers Nikon Df with the 50mm goes for $3000, or $2750 as body only.
LATEST COMMENTS