(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 chewing gum in Plexiglas box 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.