The centre cover image was illustrated by her brother Dante and is the cover page for the (I think) first edition.
Also, for those interested in listening, I'm surprised to find that there is an Audible version of Rossetti's poems. I'm not sure exactly which poems are included compared to our selection but it's narrated by actress Natascha McElhone and is titled
In the Bleak Midwinter, Goblin Market and Other Poems.