All mirrors are one of a kind.  The fossil shells are from around the world and the mirrors are well built old wood frames with lead-lined glass.  The mirrors contain some or all of the shells listed:

Abalone from North Pacific

Fighting Conch from the Bahamas

Brown Sea Beans from the Bahamas

Sea Glass from the Northeast Atlantic

Fighting Welch from Georgia

Nautilus from Indonesia Captain Nemo

Spider Conch from Australia

Calico Sea Scallops from South Carolina

Acorn Barnacles from Northern California

Coral from Key West

Stingray Marble Conch from Australia

Orange Spiny Scallops from South America

Mersal Snail from Hawaii