1928 $1 Silver Certificate “Funny Back” 1928 was the first year of issue featuring the new small size currency format. The $1 Silver Certificate was backed by & redeemable for $1 in silver prior to 1968. The ornate back design is commonly known as a “Funny Back.” Each note will ship in a PVC free holder if requested. You will receive similar notes, not the ones pictured. This is a stock item.