calling sides "obverse" and "reverse" instead of "heads" and "tails"
calling sides "obverse" and "reverse" instead of "heads" and "tails"
It's a bit like like sparkling wine and champagne: if the coin doesn't have a group picture of David Byrne, Chris Frantz, Tina Weymouth, and Jerry Harrison on the obverse, or a picture of Miles Prower on the reverse, they can't be legally classified as "Heads" or "Tails", respectively