Desiree are red skinned and nadine are white, so yes, I think the top ones are desiree. Try wetting one and see what colour the skin is under the dirt.
I think the bottom one is desiree, but just cut one you'll see what colour the skin is that way. Take one of the big ones cut it in 2 make sure there's an eye on both halves and you can still plant it.
I agree with @Skandi ... The wet one in the top tray doesn't look like Desirée to me. Seed potatoes are just potatoes grown in virus-free conditions. They'll look the same as any other of the same variety.
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.
Hmm. They both look same to me, no red? Maybe there was a mix up with my order, one of the pots arrived in a open bag like they had spilt it between orders, maybe they got mixed up there. It's mainly to know how many to put in these buckets. I was going to do 2 Desiree - indeterminate, or 4 Nadine - determinate. Just compost no fertilizer probably. I want big pots so maybe just 2 in a bucket, alternating types ?
And you will need some fertiliser or added well-rotted manure or garden compost. Planting compost on its own hasn't enough oomph and what it does have only lasts 90 days max so they'll need extra feed to grow a good crop.
Vendée - 20kms from Atlantic coast. "We don't stop playing because we grow old; we grow old because we stop playing." - George Bernard Shaw
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Seed potatoes are just potatoes grown in virus-free conditions. They'll look the same as any other of the same variety.
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.
"We don't stop playing because we grow old; we grow old because we stop playing." - George Bernard Shaw