catalogue number: hdv 1969.011.
date created: 1969
classification: drawings
medium: black ink on blue graph paper
placement of X (odd numbers) or empty (even numbers) in squares of 1 × 1 cm grid at random
dimensions: 50 × 70 cm
signature and inscriptions: [titled, signed and dated on the reverse (pencil)] herman de vries // V69-65
current location: collection herman and susanne de vries
collecting history:
related works:
comment: created in cooperation with Warmold van der Feltz
rights & reproduction: herman de vries