You can buy the cards at these shops
BERKELEY
Berkeley Art Museum And Pacific Film Archive \ 2155 Center Street
Ellington & French \ 2942 Domingo Avenue
The Filling Station \ 2112B Vine Street
The Gardener \ 1836 Fourth Street
Mrs. Dalloway’s Bookstore \ 2904 College Avenue
University of California Botanical Garden \ 200 Centennial Drive
Westbrae Nursery \ 1272 Gilman Street
OAKLAND
Wisteria Rockridge \ 6307 College Avenue
SAN FRANCISCO
PUBLIC PATHS MAKE LIFE BETTER.