Digital Signature?

Do any of you use a digital signature on your prints? or maybe the question should be when you sell prints through SM do you put a digital signature on in the file?
I have put a digital signature on some of the stuff I have sold in the past and some I signed by hand either on the matte, border, or back. I have never had anyone complain about any of the signature methods I've used. If I do the digital it is very small and in or near the corner.
Back printing will be nice but I'm not sure it replaces a signature.
Thanks for your thoughts:thumb
Mitch
I have put a digital signature on some of the stuff I have sold in the past and some I signed by hand either on the matte, border, or back. I have never had anyone complain about any of the signature methods I've used. If I do the digital it is very small and in or near the corner.
Back printing will be nice but I'm not sure it replaces a signature.
Thanks for your thoughts:thumb
Mitch
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