This rail rolling mill marking reads something like:

"1957 H. WENDEL TAO 265", and an arrow showing the roll direction.

I have not a clue of it's origin (nationality and mill).

B.W. Ring, 2001-Apr-28, Beaconsfield, South Africa.

Olympus E-10: f=3.2, s=1/80 sec, fl=43 mm, ISO=80, t=17:14:24, 2240x1680x24bit, 72dpi jpg.
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