Which preposition to use with couronne

en Occurrences 1%

[Footnote: Ces chapeaux, qu'il ne faut pas confondre avec les nôtres, n'étoient que des cercles, des couronnes en cerceau.

on Occurrences 1%

His yellow glass eyes peered staringly at the passer-by and his tomb was literally heaped with expensive couronnes tied with long streamers of crape, while couronnes on the grass-grown tomb of the defunct husband of the duchesse, buried in the back of the lot behind the dog, were conspicuous by their absence.

Which preposition to use with  couronne