New PRO PREFERRED PROS15HC

Does anyone know if this is based off of the DJ2 or NP patterns? It's clearly not the PRO200 pattern like most of the other PRO15's because of the triple hinge heel. I think its the NP but I'm not sure.
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https://www.vintagebaseballgloveforum.com/phpBB3/viewtopic.php?f=14&t=1826