SEL said reduced from £1 to 25p, but scanned at 1p at the checkout.
There were 2 different barcodes on them, the ones with the barcode: 5051140732301 scans at 1p, the other scanned at 25p.
The 25p one has a Sticky Barcode Label over the packaging.
Went back and rooted through the box and found one more with the 1p barcode on it, so took it through self checkout, and again, 1p - bargain!
This was at Tesco Extra in Horsham.