Portland, Maine. Casco Bank. Jan. 1, 1860. $1. PCGS Very Fine 30.,(ME-435 G12a). Toppan, Carpenter, Casilear & Co., New York & Phila. Red ONE protector. Top center, seated Commerce with bale and barrels. Left end, bank building with pedestrians on side walk. Lower right, sailor with sextant and capstan. Ornate red printed back. A boldly inked and moderately circulated Ace from this Portland bank.