Question about odds

I was wondering if someone could help me with some terminology? What does "H" and "HTA" stand for?
COMPLETE SET (5)
COMMON MANTLE
SER.1 ODDS 1:18 H, 1:18 HTA, 1:18 K-MART
SER.1 ODDS 1:18 RACK, 1:18 TARGET
SER.1 ODDS 1:18 WAL-MART
Thanks!
COMPLETE SET (5)
COMMON MANTLE
SER.1 ODDS 1:18 H, 1:18 HTA, 1:18 K-MART
SER.1 ODDS 1:18 RACK, 1:18 TARGET
SER.1 ODDS 1:18 WAL-MART
Thanks!

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Comments
HTA- Home Team Advantage
KUrt
<< <i>True, the collation on the HTA was very good. A full set, Reds, a GU and Auto. Also, if it matters, the bronze cards are only in the HTA version as the "By The Letter" insert card (which was pretty cool, if you ask me).
KUrt >>
I forgot about the gold & copper parallels. From 2 Jumbo boxes, I pulled 7 gold and 3 copper. The coppers have been selling at decent prices. I sold 1 for $50+.