The mug is listed on p.40 of the 1993 holiday issue of the Disney Catalog. Aladdin, 101 Dalmatians, and Beauty and the Beast are also shown. Lots more films were included in the boxed mug series and sold at the Disney Store and theme parks.
Catalog images courtesy of Dan Alexander Dizmentia.
Different manufacturing runs had slightly varied bottom text.
One from the theme parks for $7.95.
A second series of boxed mugs was released by the Disney Store, circa 1994. A wrap-around illustration of Snow White with the Old Witch and the dwarfs marching home.
This one was made in China and also Indonesia.
$6.00 price tag on bottom of box .
"The Disney Store" is printed along the bottom edge of the box.
Another Snow White mug from about the same time period. Graphics show the dwarfs celebrating as the Prince places Snow White on his horse. "The Disney Store" is again printed on the box.
Made in Thailand.