It seems that the use of counting both sides (i.e. 4x5) has become more popular in the last 10-15 years. When I was a kid I remember hearing only one side counted. Now both sides is more popular.
Wanted: 50 Beowulf Brass, .500 cal bullets
"Once you quit hearing sir and ma'am, the rest is soon to follow." - Cormack McCarthy
"I'm just an average Joe, although I did score 4 touchdowns in one game..."-Al Bundy