Many possible crosses, or not. One way to narrow it down is if you can remember what other types of peppers were sold at the time you purchased the plant, in order to see what else is being grown by the nursery. Of course the owner might just source their plants from other growers instead of starting them from seed, as many nurseries simply buy plants through a distributor or other nurseries. You could go back to the nursery and see what they have, and ask a manager what other types of pepper plants are available through their distributor/source. Then you can go from there.
It could as well just be a orange hab that is a unique phenotype, or podding differently like many other varieties do. Like when a scotch bonnet is producing the tam hat shaped pods, and then produces a few that are not shaped in the same way. You can look at any thread with the MOA Scotch Bonnet, and see some off types pods being produced from the same plants that are putting out the proper ones.