WANTED - Tandy Colour Computer carts

[Atarileaf]

I'm looking for any carts for the Tandy coco. Particularily one called "Doubleback". Here is a list of the carts I own so I don't need these:

Popcorn
Castle Guard
Demolition Derby
Canyon Climber
Downland
Malcom Mortar
Bustout
Shooting Gallery
Color Baseball
Megabug
Microbes
Panic Button
Starblaze

Send me a PM with your asking price.