Time to restep the mast.
Thanks for the information. The move went well as far as I can see, but the mast hasn't been unwrapped yet, and with all of the shrouds getting pulled to and fro as it was being bubble wrapped, it got some annoying scrapes and scratches at the start of the move. Saving the mast boot was a lost cause; there was just no way. Getting the spreaders off wasn't too bad, but one had a clevis pin that would not come out no matter what maneuver we tried, so it was left on in transit. My advice for packing up the mast to load on the trailer: Have 3 or 4 sets of hands to handle shrouds and stays and what not until they're taped and wrapped, be situated where you're not rushed (as we were, in a heavy traffic area of a boat yard), and if it's possible to do this in a grassy area rather than over concrete or asphalt, by all means go to the grassy area. On a rough surface with only two working on the mast, spreaders getting dragged on the ground now and then, and shrouds or stays getting dragged over painted mast surfaces, was extremely difficult to avoid.
The teak "wedges" that were inside the mast collar came out in small pieces that don't really look like wedges or even pieces of former wedges. I'm still trying to figure out what to use for blocking when we restep the mast in the next couple days. If any of you have had success with something to replace the original blocking material, I'd love to hear about it. Thanks again.