Sent to Claudia (Germany). To the mail art call Schickt mir Euer Geweih ('Send me your horns').
Alterd postcard (the original on left) who represents an AD for a bullfight in València (some years ago...), with the famous toreador "El Cordobés". The cow was first created by the drawing factory Kukuxumusu. The back of the postcard:
Also published here (almost at the bottom!).