inscribed (diagonally) in blue ballpoint pen on reverse: Ken Whisson / "Juggler and / Pink, Yellow and / Blue Aerialists" / 10/12/89 + 6/1/90 / and 19/2/90 and 6/3/90 inscribed in blue ballpoint pen on reverse: 91/21/009 / Will have to go on being worried (...illeg) / plus mistakes and surprises Piv diapositivi / gia fatti B (...illeg) inscribed (vertically) in blue ballpoint pen on reverse: (square in a square) 10/12/89 + 6/1/90 19/2/90 13 / (square in a square) 10/12/89 + 6/1/90 + 19/2/90 + 6/3/90 Small hand and white surround / redone 17/3/90 6/3/90 pale yellow + pink (down-turned arrow) inscribed (inverted) in blue ballpoint pen on reverse: (square in a square) 10/12/89 + 6/1/90 inscribed (vertically) in blue, red and green ballpoint pen on reverse: 9/7/90 (square in a square) 10/12/89 + 6/1/90 1 Piece of yellow / still very soft 26/6/90 (...illeg) / face above 6/7/90 Thick white on face will / remain soft several months / = till October (line through October) November / or December / (...illeg) / Juggler + Pink Yellow and Blue / Aerialists