Oil leak from 289

[Hogtrough]

My '63 has an engine that was fully rebuilt in the early 2000's and driven little since. There are oil leaks from the engine and I've checked and replaced the oil pressure gauge hose and tightened the pan bolts. It seems to leak even when just sitting in the garage which seems strange to me - shouldn't the oil level when sitting around be below the crankshaft seals? What is the most likely source of the leaks? (which at a glance appear to be front and rear seals)