Crossword puzzle clue "interesting collectible"

Interesting collectible

A French military strategist described it in 1918 as "an interesting toy" but "with no military value"

Music genre that "must be as ignorable as it is interesting," per Brian Eno

Brief, interesting tale

Interesting stories

Up the ___ (make things more interesting, in a way)

Least interesting

"Verrrrry interesting" comedian Johnson