A RARE THAI, U-THONG B OR SANKHABURI STYLE, BRONZE HEAD OF BUDDHA, the face with a serene expression, the wide downcast eyes beneath delicately arched eyebrows issuing from a straight rectangular nose, the accentuated mouth with slightly upwards pointed corners, long vertical grooved ear-lobes, the hair with rows of spiky curls and domed usnisha, 14th Century