A computer printer distributor in Argentina receives an offer by mail from Epson, a U.S. company. The offer arrives on June 2. On June 12, the Argentina company sends its acceptance by mail. On June 8, Epson sends a revocation of its offer that was received on June 13 in Argentina. The acceptance from Argentina arrives in US on June 17.
Did a valid contract arise? Decide the case under the CISG.