I have bought today a pair of rose ballerina flats , which looks like these :
i bought these about 2 months ago from topshop in white and a darker green is that were yours are from.
I have leather mesh ballet flats from topshop too with triangles cut out around the edge they are bronze.
I have just plain gold ballet flats from topshop also and a pink pair from there two.
I have a pruple sparkely pair and white pair from rocket dog with strings across.
hell im a ballet flat mad girl. MOst of myn were bought around september though between summer and fall. The leather mesh and crochet ones are only about 2 months old.