Critique on loaf please

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Hi guys!

So I made a 3 day process sourdough loaf around 73% hydration, and wanted your opinions. The thing is is that it really lost its shape when I removed it from the banneton, so I’m guessing it’s overproofed, but the final product has good oven spring, so I’m a bit confused :( . Here are some photos:

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It may have been over proofed, though you wouldn't know it by the results. A little over never hurt anything, as long as it's just a little. Looking good!