"Faience button seal (H99-3814/8756-01) with swastika motif found on the floor of Room 202 (Trench 43), Harappa, 2000-01"

Source: http://www.harappa.com/indus4/315.html
(downloaded Sept. 2006)

A bison seal that has "a swastika motif turning counter clockwise" on the reverse (not shown)

"This is a flat square double sided seal. On one side, four script symbols are inscribed in reverse, above a bison with head lowered to the feeding trough. A swastika motif turning counter clockwise is carved on the reverse. The seal is perforated from the side along the axis of the animal motif.

Material: gray brown unfired steatite
Dimensions: 2.04 x 2.04 cm, 0.74 cm thickness
Mohenjo-daro, HR 4503
Mohenjo-daro Museum, 50.258, MM 487
Marshall 1931: pl. CX, 311."

Source: http://www.harappa.com/indus/28.html
(downloaded Sept. 2006)