El Bosque Jar from Costa Rica, ca. 100 BC - 500 AD. A fine El Bosque jar from Costa Rica, ca. 100 BC - 500 AD. This elaborately detailed example is 4 in diameter and is decorated with three registers of appliqué buttons under the the flared rim. Strong mineral deposits, root marks and evidence of extensive usage. Ex Beausett estate. Cf. Art of Costa Rica, page 213. Value range: $100 - $200.