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That anvil looks to be in good shape and if the rebound is as he stated and it rings consistently over the face, I would say $4.60 U.S. per pound is not outrageous for your area. I say the rings consistently because if someone has welded or heated the face it probably has lost some of it's hardness. This has been seen with anvils that have gone through a fire too.
BTW: According to AIA serial number A24136 was made in1920.