[Robin Yerloot]

Sword of Decay - Cutlass (Rare)
Spineskull Blade - Cutlass (Rare)
Grim Hound Blade - Cutlass (Rare)
Sea Steel Sword - Broadsword (Rare)
Barnacle Breaker - Broadsword (Rare)
Deepwater Blade - Broadsword (Rare)
Grave Reaper - Sabre (Rare)
Plaguefire Blade - Sabre (Rare)
Viper Blade - Sabre (Rare)
Doom Rattler - ?
Nautilus Blade - Cutlass (Famed)
Whalebone Blade - ?
The Dark Mutineer - ?
Razortooth Sword - Broadsword (Famed)
Spinecrest Sword - Broadsword (Famed)
Ripsaw Blade - Broadsword (Famed)
Sharkfang Blade - ?
Hull Ripper - ?
Barracuda Blade - ?
Dread Spike - ?
Bitter End - Sabre (Famed)
Doom Stinger - Sabre (Famed)
Treachery's End - Broadsword (Famed)
Tyrant Blade - Broadsword (Famed)
Blightfang Edge - ?
Behemoth Blade - ?
Thunderspine Sword - ?
Blade of the Abyss - ?
World Eater Blade - ?
The Emerald Curse - ?
Cursed Seafang Blade - Cutlass (Code-Redeemable)

From what I see, the list is based off Model so far, the Razortooth-Ripsaw look the same and Trechary's-Tyrant do as well. the Bottom five are most likely the Legendary ones. Sharkfang-Dread Spike are probably another model of cutlass... I'll keep looking into this.