The Collaborative International Dictionary
In specie
Specie \Spe"ci*e\, abl. of L. species sort, kind. Used in the phrase in specie, that is, in sort, in kind, in (its own) form.
``[The king] expects a return in specie from them'' [i.
e., kindness for kindness].
--Dryden.
In specie (Law), in precise or definite form; specifically; according to the exact terms; of the very thing.
Wiktionary
in specie
adv. 1 (context obsolete English) In respect to kind 2 (context legal finance English) In the actual form, especially in the context of a distribution of assets or a loan repayment. 3 (context legal finance English) In coin or monetary metal, in contrast to fiat currency or other paper.