The image on this post is of type "Icon Set". It has the same image on different sizes.
On path: /Users/rafaelmazarin/Library/Application Support/com.apple.touristd/
You can find:
macbook-pro.icns
mojave_macbook-pro_icon.icns
mojave_whats_new.icns
catalina_whats_new.icns
catalina_macbook-pro_icon.icns
All of the above have the MacBook Pro 15" 2016 ~ 2019 design.
com.apple.macbookpro-16-silver.icns have a design that resembles more last gen of MacBook Pros. So, it is probably a dummy, a placeholder image for the new design.
On path: /Users/rafaelmazarin/Library/Application Support/com.apple.touristd/
You can find:
macbook-pro.icns
mojave_macbook-pro_icon.icns
mojave_whats_new.icns
catalina_whats_new.icns
catalina_macbook-pro_icon.icns
All of the above have the MacBook Pro 15" 2016 ~ 2019 design.
com.apple.macbookpro-16-silver.icns have a design that resembles more last gen of MacBook Pros. So, it is probably a dummy, a placeholder image for the new design.