Can someone tell me what In-Game Joker Weapon this is?

[dapper hollow]

I want to import a custom model for this weapon, but i want to know which one this is, so i can give it to me and test it in-game when i'm ready

[torpid dome]

this is for p5 vanilla but still applies https://amicitia.miraheze.org/wiki/Persona_5/Melee_Weapons