It looks like the door is only one of many issues with that cabin , maybe show us the whole cabin . Post the pics here in a comment.

You could get another storm door. You would be advised to put pavers in front of the door, so you don't have the wood in contact with dirt and rotting.

A proper door is required to keep the wilderness out of your cabin. You might want a replacement but using the same design.

Screen Doors are available in similar designs.

At Patricia Colwell Consulting: Ouch. That's blunt. Yes, this is a cabin that was abandoned for 10+ years before we purchased it this spring. It is worth salvaging in our minds, for both it's historic value and because it is incredibly beautiful despite its current rough shape.

It looks like a good solid project. Will it be a full time residence or an occasional use place? Is there any historical background that you've discovered?

Another option to consider is a two-part Dutch door if you decide not to replicate the original or move the original to another location.

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