Ford 272 used block, casting ECG-6015-B;  date code 50D:3 - made for 1955, 1956, 1957 Ford passenger and truck.  Hot tanked, magnetic particle inspected, no cracks found. Bore is +.040 with the worst wear found .013, rusty, should clean at +.060.  These blocks may be bored to standard 292, 3 3/4", (+.125") normally, so that would also be an option.  Shipping would require separate ship quote which we can provide if you email your address -  needs to be truck freight, estimated weight 170 lbs plus the crate if shipped; or better yet, examine and pickup here. Crating charge is $95.