A new, undocumented feature!

[LGM]

Better than a check, is get a money order using cash to pay for it and send that. That way she won't see the cashed check (if she gets to the mail first).

Go one step further and pay extra for Fed X delivery and pick it up at their station yourself.
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Just to let you know, I did not buy SEIV Gold this way. I ordered through a friend as a group order(paid him cash).