Ocarina of Time - E3 1998 Demo Cartridge 106 viewsSource: Cybernet TV Show, some episode from 1998.
Date: 1998 (May 28-30)
Nintendo used an interesting protection that locked the carts in place.
TOTAL 07/1998 - Page 1 (Cover)100 views
Ocarina of Time - Space World '97 Showfloor Demo - 198 viewsWe see the main host Gus Rodriguez of the Mexican Nintendomania show here, so I guess it could possibly be a screen capture from one of the episodes.
Date: November 21-23, 1997
We can see Link in front of the Deku Tree boss doors on the left.