Carelessly ransacking a war grave site with the pretext of "digging for history" is particularly morbid and unethical, much more so than lowballing a granny. Most grannies, by definition, have sons and grandsons whom they could in most cases call to work out an appraisal. With the advent of the internet, finding a ballpark value is easy even for a complete novice, so there is not much excuse to let yourself get swindled. Both have greed as the prime motivating factor, both takes a slimeball to pull off, but the comparison ends there IMO.
