Not really, no. Been tramping around graveyards for as long as I can remember. Love the old stones.
On a whim I signed up for a 4 day conservator led workshop that was meant for sextons and members of historical societies. It was held last August. I learned to clean gravestones, assess them for repairs and did (with a group) those repairs on a group of family stones. The repair work we did included resetting (both with a base and without - the base ones also had to have their pins pulled due to expansion/rust which will break the stone eventually if not replaced) and one stone had a break that had to be fixed the right way. One stone had to have a base repoured, it broke apart as we unearthed it. I had never made or poured concrete in my life, yet made a fairly decent looking base to mortar my stone into once the cement dried.
Last weekend I helped at a "cleaning and leaning" workshop held by a sexton that is fairly local (2 towns over) that I met at the August 2016 workshop.
I have also signed up to be a repair volunteer out on the coast at the end of summer. The historical society there hired the guy that ran the 4 day workshop, and I want to get some more time in under him to learn more.
This is why you need to train properly... this is an example of something my town paid a local guy to do less than a decade ago:
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I'm not sure at all how someone thought that was a good repair.
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This is the break repair we did last August. Yes, the color didn't match up exactly right, but it doesn't look like someone vomited cement onto the stone.