On eBay, Vintage-Bike (a French seller) usually has ones that will screw into modern shoes for $15.00-20.00 plus shipping. I picked up a set last fall, and am quite happy with them, will probably pick up a spare set in the new future just to have on the shelf.
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Syke
“No one in this world, so far as I know — and I have searched the records for years, and employed agents to help me — has ever lost money by underestimating the intelligence of the great masses of the plain people. Nor has anyone ever lost public office thereby.”
H.L. Mencken, (1926)