Check the bearing diameters and chamfer angles - it's probably a standard size, most likely Campagnolo 45°/45° but maybe the more common Cane Creek etc. 45°/36° if the frame was made in China/Taiwan.
@gbj_tester started
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Check the bearing diameters and chamfer angles - it's probably a standard size, most likely Campagnolo 45°/45° but maybe the more common Cane Creek etc. 45°/36° if the frame was made in China/Taiwan.