Stock images copyright Disney.
An early edition featured Snow in a plain satin yellow skirt (left). In 2012, she wore a flower-patterned overlay (right).
It was retailing for $18.99 on the shelves at Target in October 2012.
Another incarnation--red puffed shoulders.
Snow with a silhouette-patterned skirt is currently online at Target. It was $20.99, now down to $17.99. Available at other stores too.
Another doll, another dress--part of the Snow White's Picnic Party set, which also included various toy picnicking accessories. A red bow replaced the tiara.
In additional, there was a Snow White's Royal Sleepwear outfit sold separately.
More info on this series at figure-archive.net.