Extraordinary Implication

 is considered a Misc Item in Sunless Sea.

Items description
"How can such a thing be? Who but you could understand what it means?"

Obtaining
 can be bought at Wind-Come-Calling in Irem.

 can be acquired at Salt Lions, Grand Geode, Nuncio, and Chapel of Lights.

Usage
 can be sold to the Alarming Scholar at The University in London for 250 Echo, 2  Fragments, and an increase in  Favours: Antiquarian.

5 x  can be traded at Wind-Come-Calling for a Searing Enigma.

Extraordinary Implication can be sold in Irem for 222 Echo.

Expand the tables below for more information, but they're best hoarded for Searing Enigmas or sold at Roser's Wharf (since they sell there for 375 Echoes, it's still worthwhile to later rebuy them in Irem for 42 Echoes less).

Interactions in Brief
Click Expand on the right for more.

Interactions in Detail
Click Expand on the right for more.