Jose Cuervo Especial Tequila & Caffrey's Irish ale lenticular postcards unused

Description

2 lenticular postcards. Both unused.
Jose Cuervo Especial Tequila promotional postcard with 1989 copyright. The Cuervo bottle image appears or disappears when you view the card at different angles. Title  is "This ain't no mirage." Unposted with no writing on back. There are some dots of discoloration along the top edge on the back, where rubber cement once affixed postcard to magazine page.
Caffrey's Irish Ale promotional postcard with 1999 copyright. The liquid in the glass gets slightly darker or lighter when you view the card at different angles, like it is fizzing. Unposted with no writing on back.
Shipping is free (sandwiched between cardboard). Anything stiff must be sent as a package, so it will come with tracking.  Must pay within 3 days of the auction's end. I only  ship to the US.