WORLD'S SMALLEST HARDEST

Across

1. A French silver coin (3) 4. Injure by fire (4) 5. Hydrated carbonate of sodium (4)

6. A name (Fr) (3)

Down

1. A wallaroo (4)

2. Fill to superfluity (4) 3. International body (abbr) (3) 4. Hairstyle (3)