Both Uses

obsolete
in
The Invisible Man, by Wells
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The unhappy-looking figure in the obsolete silk hat passed up the street of the little village with his burdens, and vanished into the gathering darkness beyond the lights of the windows.†
Chpt 13 *

obsolete = no longer in general use because it was replaced by something better
And it had, though no man had traced it, invariably ended its mysterious flight in the pocket of that agitated gentleman in the obsolete silk hat, sitting outside the little inn on the outskirts of Port Stowe.†
Chpt 14

Definitions:

(1) (obsolete)
no longer in general use because it was replaced by something better
(2) (meaning too rare to warrant focus)