$147 was ~€95 in July 2008, which corresponds to ~€140 today. Which would be ~$160. And if you choose a third currency, you will get a third price.

Long-term measurements of value are kind of weird, as your unit of measurement can gain and lose value relative to the units other people are using.

The currency is less fundamentally meaningful than the group of purchasers buying their basket of goods.

> Long-term measurements of value are kind of weird

They are worthless. Best case, you’re asking a traveler problem. Does an American tourist rejecting a local Thai delicacy render it worthless? Of course not. They’re different purchasers. Similarly, trying to compare pricing preferences across centuries is borderline voodoo—you’re doing spherical-cow math.