Looks like a bike with a lot of good history.
Don't often see tubulars and a Pletscher rack on the same bike, although I suppose it was more common before good wire-bead tires were widely available. Also an interesting combination of 531 main tubes and stamped dropouts with no hanger. I suppose they spent money where it counted and saved elsewhere to hit the price point.
Are the original grips Grab-On brand? If so, see if you can get them off without damage.
Earlier this week while looking for something else I found my LAW national century patches from 1980-1981. Note that September isn't the optimum month for a century ride in central Arizona, but the rules said it had to be that month, so I look back at an added challenge overcome.