Posted By:
Tom Boblittbut just be careful if what you're sending is not replaceable. A PSA5 T206 Cobb is pretty replaceable. You might call their general customer service number to check it out. I don't know Fedex's. I'm sure it's on their website. UPS's is 1-800-pick-UPS.
I think Mastronet insures most all their stuff outside of the carriers they use. They get riders on all the large items and the lower value stuff is covered under a blanket policy probably.