Two Doug Fir beams removed from a 1951 vintage house.
Should be nice and stable by now like kiln dried.
6' -3" 4 x 12 has no stamp, flat sawn, actual height actual size 3 1/2" x 11 1/8".
8' -10" 3 x 12'' has no stamp, flat sawn, actual size 2 1/2" x 11 7/8 inches.