ATC stands for Artists trading card which were originally given by artists as a sample of their works. They are bits of card that measure 3.5 x 2.5 inches exactly. You decorate one side using a range of techniques and then write on the back a title for it, the date and who its made by.
6th November - Anything goes or Mermaids
20th November - Anything goes or Use Lace
4th December - Anything goes or XMAS Month long challenge