chewing gum in Plexiglas box

(i) signed and dated "Wilke 79" lower right
(ii) signed and dated "Wilke 1982" lower right; inscribed "Atlanta" lower left
(iii) signed and dated "Wilke 84" lower right

each 2 1/2 x 2 1/2 x 1 in. (6.4 x 6.4 x 2.5 cm)

(i) Executed in 1979.
(ii) Executed in 1982.
(iii) Executed in 1984.