Are 340 Connecting Rod Large Ends Chamfered on both sides?

As you well know, sometimes the connecting rods have a copper coating of some kind. I was able to locate the chamfer on the single rod with that characteristic. Turns out the larger chamfer is on the opposite side of the connecting rod from where the casting number is located. I can now find at least the semblance of a chamfer on the other seven rods on the same side. (large chamfer visible in photo #1, tiny chamfer on opposite side in photo #2)

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