Farmersville, Texas. $20 1902 Plain Back. Fr. 660. The Farmers & Merchants NB. Charter #6011. PCGS Currency Very Fine 20.A new addition to this highly collected Collin County bank, the census is now at just 11 pieces. This example, may arguablely be the finest as it is seen with excellent signatures and overall eye appeal. PCGS Currency comments "Small Edge Tears." You will be hard pressed to find a nicer Very Fine 20 graded note.