The loss of weight from the hole may be minimal if it was pierced and drilled out. Piercing the hole would "cold work" the material by making it denser at the inside diameter of the hole, not necessarily removing material. Best way to find out...weigh it.
oih82w8 = "Oh I Hate To Wait"
"I tell her coins keep me off the streets and out of the bars." Moe145
"WOO-SAA...WOo-SAa...Woo-Saa" (calm down)
"An individual who vacillates when there is need of action will find themself beyond the hope of future success."
My Virtual 7070 https://www.PCGS.com/SetRegistry/ty...album/142105