Which preposition to use with centerpiece

of Occurrences 6%

A china clock, the centerpiece of the mantel, ticked spang into the silence, enhancing it.

on Occurrences 2%

The centerpiece on the table was an arrangement of bachelors' buttons and at every place was a tiny toy wheelbarrow filled with candies, a wee dressed-up dolly dame perched atop of each load.

at Occurrences 1%

The centerpiece at the supper-table is a big bunch of daisies, and each child has a place-card on which is painted or drawn a daisy face, the petals forming a cap frill.

in Occurrences 1%

The walls were white, and the centerpieces in the ceilings of all the rooms were very fine, being the work of an English artisan, who had been only a short time in this country.

Which preposition to use with  centerpiece