For sale is a Mergin-X sliding/stitching back with a Graflok interface. It can be used on any 4x5 view or technical camera. The digital back interface is for Hasselblad V. The acetate on the glass has markings for Leaf Valeo 11, but you can change it to whatever you want. $725 including insured, trackable shipping by JapanPost EMS.
PM or email is fine with me.
Thanks for looking,
Kumar