I have 2 block available. Block # C3AE-6015-N is dated 3E14 (5-14-63 with a build date of 3E28-H (5-23-63. It is freshly borded 20 over with new cam bearings. Block # C3OE-6015B is a short block assembly minus the balancer. Casting date of 3F11 (6-11-63) with a build date of 3F18-c (6-18-63)
Ken