78.7 x 57.1 cm. (31 x 22.5 in.) Subscribe now to view details for this work, and gain access to over 18 million auction results. Purchase One-Day Pass ...

Think you have sharp eyes? Here’s a fun challenge for you! Hidden among a sea of numbers 32 and 23 is a sneaky little number 33—can you spot it? This optical illusion is a real test of your ...