1
general::
Phrase(s): two of a kind
Fig. people or things of the same type or that are similar in character, attitude, etc. • Jack and Tom are two of a kind. They’re both ambitious. • The companies are two of a kind. They both pay their employees badly.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
Very similar individuals or things, as in Patrice and John are two of a kind? they're true hiking enthusiasts. This idiom uses kind in the sense of "a class with common characteristics," a usage dating from about A.D. 1000.
American Heritage Idioms