Advise needed on worth of 96 collector edition

[JimmyS5600]

Spotted two 96 collector editions that Iam interetsed in. Both
equipped about the same, both are under 20,000 miles.
One is a coupe,the other a drop top. What are they worth please?
Thanks

 

[Vettelt193]

6 speed or auto?... what options? all the options do make a difference... and 6-speed adds the LT4, which adds a good 1500 to the price tag... also, what color interiors? Red adds some value as well.

 

[JimmyS5600]

Sorry about the brief discpition. Both are black interiors with
sport seats,both have Z51,both with the Bose stereos.
Both are autos with LT1's.
Thanks