Artists' postage stamps & cancellation stamps exhibition: a mail-art project by Ulises Carrión : ... at the Stempelplaats in Amsterdan from 21st of Juli to the 17th of August, 1979.
Artists' postage stamps & cancellation stamps exhibition: a mail-art project by Ulises Carrión : ... at the Stempelplaats in Amsterdan from 21st of Juli to the 17th of August, 1979.