I'd say any alteration to a collectible Marklin car will almost certainly
decrease its market value. In the case of coupler conversions, you'd be
permanently marring the coupler housing.
At 10:18 PM 1/5/2001 +0000, you wrote:
> Just the first of what will likely be many stupid questions :) If
>I replace the Marklin couplers with MT couplers will that ruin the
>value of the car, especially if it is a "collectable"?