OD of seat tube is 28.6... so not likely french, but lets wait for threading confirmation. Try to thread an italian and an english threaded headset onto the fork and see which one goes on easier.
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1 Super Record bike, 1 Nuovo Record bike, 1 Pista, 1 Road, 1 Cyclocross/Allrounder, 1 MTB, 1 Touring, 1 Fixed gear