Justin Miller clearly can pull it off.
If it's not your style, it's not your style. Don't make bad excuses for yourself saying that the method sucks.
You can try all you want, but you're not going to convince me that "method' (and i use that term lightly) is any good. Even the signed coin part looked sort of cheesy.
Actually they get to see most of the bottle. Only the bottom of the bottle is covered.
However, the bottom is the point where the coin penetrates. To me, it would look better if the hand is not covering the point of penetration.
There are other CTBs, where you can hold the top of the bottle, show that the bottle is empty (including the bottom), and still penetrate the coin through the bottom. Yes the coin flies through the bottom like in Bullet.
Although you revealed alot more than I would have, you've explained my issue with thev trick beautifully. you never get to give them a reasonable view of the bottom. there's tons of effects out there that have more natural handling and show a clear view of the bottom (even FS, for instance)