This week, I’m sharing a few case study from one our long-standing, best producing, 3D Mail items, the x-ray mailer. Yesterday I shared a very cool B2B version of the x-ray mailer. You can see the full case study, and the entire mail package at this link. This case study comes from Dr. McGrath of Atlantic Spine and Joint Institute. It’s a letter sent to those with knee pain. With Dr. McGrath …

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