Did RG ever load 7.62 NATO ball in copper-washed steel cases?

I have some that I strongly suspect is of Chinese origin. It doesn't smell right.

The bullet jacket is plated steel, strongly magnetic. Headstamp: @ 12, 3, 6 & 9 o'clock: RG, 60, (Nato cross), L2A2. If rotated to 12'o'clock, the "L2A2" is upside down. Unfortunately the original packaging is absent.

M
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