It sure looks like someone ground down the top of this bottle, which, for most bottles would be the kiss of death in the value department.
The FEDERAL LAW FORBIDS and other 20th century whiskey bottles are quite common - only those in perfect shape with an extra dose of intrigue and eye appeal are going to be worth anything. Usually this means a visually attractive label, closure, tax stamp, in some cases the other packaging and of course the original contents, too.
