Hi Guys,
The ATC did release a couple of issues that included flowers at theis time. The two of the top of my head are T106 State Girl series with State Flower and S48 silks flower series.
I have purchased several dozen S48's for my Mom, and they do have a similiar size image, and the ink tends to bleed through the back.
Here is a picture:
Good luck... Be well Brian
Here is a picture of the State Girl and Flower silks...