1846 Stampless F/L from Grenada to American merchant in Guayama, Puerto Rico, double half-ring Grenada 3/26/46 pmk, ms Paid, red octagon "S. Tomas" Puerto Rico origin marking for St. Thomas transit, red "2Rs." & "Isla de Pto.-Rico" receivers; correspondence mentions selling "Spanish mules and horses," file folds flattened for display, the "S. Tomas" origin marking is scarce; F-VF (Image)