There no need to put it in groupid=1 when it's by itself.
AFAIK that doesn't hurt anything, but it's not helping anything either.
Also, this should have been posted in "Loot Bugs" since it's a loot-table update.
The part I'm posting, however belongs in "Item Bugs" where you made this post.
- UPDATE `item_template` SET `minMoneyLoot` = '500000', `maxMoneyLoot` = '750000' WHERE `entry` = '43346';
UPDATE `item_template` SET `minMoneyLoot` = '500000', `maxMoneyLoot` = '750000' WHERE `entry` = '43346';
per comments:
http://www.wowhead.com/?item=43346#commentsFirst part (loot fix) accepted by me. Would like another Dev to verify second part (money) before moving to accepted fixes.