Photo Poser 23: "Plums, plumbs, plum bobs?"

I was generously offered these two items recently. Barry said, "Would you like these?" I said, "Yes."

The pair now hangs inside my workshop. But what are they?

["A pear of plums?"]

Plums? Plumbs? Plum-bobs?

FYI The answer to Photo Poser 22 is 'Confederation Bridge, PEI'.

Photo by GH

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Please click here for Photo Poser 22