Strange labels on newly purchased PCGS lincolns.

A few days a go I received two very nice lincolns. I was just looking at them, but they have both a label I've never seen. On both of the coins, the barcode is on the opposite side. I've never seen it before, so does anyone knows how this happened.
I bought the coins from a proffesional dealer.
Dennis
I bought the coins from a proffesional dealer.
Dennis
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Thread here with all the pcgs slab versions.