So it's National Tequila Day is it? Tequila Gifts, accessories and more fun stuff postcard,retro,tequila postcard by sunflo See other Retro Postcards at zazzle Happy National Tequila Day Peeps! Are you celebrating this unusual occasion? To help you celebrate featured here are some funny Tequila themed t-shirts, mugs, buttons and banners and more. I’m loving this retro tequila postcard myself.