A San Ildefonso polychrome olla, c.1900 This jar is a true masterpiece of potting and is attributed to the San Ildefonso potters Martina Vigil and Florentino Montoya. This jar is slipped entirely to the base and has the classic combination of floral and geometric designs all over. Excellent condition. Be sure to read an interesting article on San Ildefonso polychrome pottery by Steve in our Antique Indian Art Resources