Gimenez Juan - Prelim for a cover

Another awesome prelim work drawn by the great argentinian artist Juan Giménez. Art Measures 42.5*29.7 cm.
Juan Giménez was repetitively voted best artist by European audiences. Giménez was recognized with the Yellow Kid Award for Best Foreign Artist at the 1990 Lucca International Comic Fair and was awarded,in 1990, with the Gaudi award at the Feria Internacional del Comics de Barcelone.

The Argentinean comics legend died in Mendoza on 2 April 2020 from COVID-19. RIP

Additional image is the published art/cover (I don't own the published page).
I don't know where it was published, so I would be gratefull for any information.

Thanks Carlos for this nice and easy transaction.