Are these really French Beans?

in Fruit & veg
Here's a (bad) photo of beans I bought from a nursery, labelled French Climbing Beans. I expected them to be round podded as normal but as you can see these are flat podded with scalloped sides where the bean seed is. Also they grow quite long even though I pick most days. The photo colour is not good, the beans are actually a nice light green colour
Have they been mi-labelled by the nursery or are they a particular variety?
Have they been mi-labelled by the nursery or are they a particular variety?

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https://www.kingsseeds.com/Products/Vegetable-Seeds/Beans/Climbing-French-Bean-Hunter-AGM-PPP-APhaseolus-vulgaris-BGB40557-Clot-pk-DGB
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.
Also wondering if I can keep some to sow next year? I had three different varieties last year so am wondering if they will have cross-pollinated so not come true to any variety, if indeed they come at all?
I have also done "Cobra" this year ( a climber ) - maybe a few yards away but I haven't saved any of those seeds,
Another one I grow each year is a Purple Climbing bean - long, thin, flat fruit. These were from seeds someone had saved and gave me 3 years ago. Planted close by and again no crossing.
Don't know whether any of this helps but I'd still think it worth a go next year