signed and dated 'Christo 1973' upper right of the lower part; signed and dated 'CHRISTO 1973' on the reverse of each part

graphite, crayon and map collage on paper laid down on board, in Plexiglas box, in 2 parts

upper part 36.9 x 245 cm (14 1/2 x 96 1/2 in.)
lower part 92.8 x 245 cm (36 1/2 x 96 1/2 in.)
overall 129.7 x 245 cm (51 1/8 x 96 1/2 in.)

Executed in 1973, in France.