Vintage etching/aquatint of Avignon - signed - artist is unknown to me

"Avignon" by an unknown artist (French - probably early 20th century) * Etching/aquatint in 7 colors: green, light blue, medium blue, reddish brown, yellow, light brown and dark brown. * Signed in pencil at lower right. - Unable to read signature - Please let me know if you now this artist. * Famous 12th century bridge of Avignon - 4 standing arches remain. * Papal palace on hill - "Palais des Papes". * 24" x 15 3/4" to plate mark. * 32" x 24" frame size. * 33 3/4" x 25 3/4" overall size. * Will be sent without glass to prevent any damage to the artwork should it break in shipping. * Very good condition.