#10: "The Door is Locked"This artwork sold Ebay with a starting price of $1 and went for $36
Model is Sarah R. 6x8" One-of-a-kind ambrotype on opaque black glass, mounted in permanent oak box with ebony keyed corners. All work including glass cutting, chemistry, photography, box-building and finishing by Marcus Ranum. You can make all the digital prints you like from the scan of the plate, but there is only and ever will only be one glass plate carrying this image.
For more information on ambrotypes wikipedia has a pretty good description of the process here: [link]