Paul,

More than likely, 3836848 is a head casting code (did it come off the head)? That codes was used on 235 heads from 1956 through 1962.

You have a high pressure 235 engine (the valve cover tipped Denny off) - a similar cover was used from 54-63 on 235/261 engines.

If you want to more specifically identify your block and head, post the codes that you find at the locations shown here.

Tim