Obadiah Sawtell's gravestone has a death's head at the top. The inscription reads:
Here Lies The Body of
What a beautifully carved stone. There are many well-preserved stones like this in the Old Burying Ground in Groton. Transcriptions of the stones in this cemetery are provided in the US GenWeb archives here (NOTE: this URL has changed in the last week). A book (Epitaphs from the old burying ground in Groton, Massachusetts, By Samuel Abbott Green, Arthur Bruce Coburn, Published by Little, Brown, & Company, 1878) is available on Google Books here.
I don't recall where I obtained this photograph, and others from this cemetery. I may have taken them myself on a trip to New England in 1994 or 1995, and I may have obtained them from a kind correspondent who took them and sent them to me years ago.
Obadiah Sawtell is one of my 7th great-grandfathers.