WT = Water Tested Block (stamping typical of most Hemi blocks) Blue circle around the WT (never seen that before, inspectors stamp after a Water Test Pass?) B = 1965 (normal) H = Hemi Engine (normal) 426 = Cubic inches (normal) 2 14 = February 14 1966 Assembly date (Valentines Day!) 25 = 25th engine assembled that shift (normal) Maltese Cross = .001 US Crankshaft (be interesting to see what it checks as)
No paint on the boss (that's unusual in my experience)