If you buy Silver Eagle dollars for investment purposes, one of the most economical ways to buy them is in bulk. Silver Eagle rolls consist of 20 coins enclosed in tubes. Most Ebay sellers sell Mint rolls right out of the Monster Boxes from the US Mint, in the original hard plastic container (green cap) that contains each set of 20 coins. Buy purchasing 20 Silver eagle coins at one time, you can both save money on shipping and on the per coin premium. You can shop for the best buys on mint rolls of Silver Eagle dollars right here. Listings are provided by Ebay. The best deals usually include free shipping.

2011 American Eagle 1oz silver bullion coins Roll of 20 UNC
2011 American Eagle 1oz silver bullion coins Roll of 20 UNC
$1,197.00
End Date: Friday May-18-2012 19:42:48 PDT
Buy It Now for only: $1,197.00
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20 2012 AMERICAN SILVER EAGLE ROLL 999 FINE 20 TROY Ounces READY TO SHIP NOW
20 2012 AMERICAN SILVER EAGLE ROLL 999 FINE 20 TROY Ounces READY TO SHIP NOW
$680.00 (10 Bids)
End Date: Friday May-18-2012 20:36:40 PDT

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2011 American Silver Eagle Roll 20 1 oz coins
2011 American Silver Eagle Roll 20 1 oz coins
$679.00 (11 Bids)
End Date: Friday May-18-2012 20:53:09 PDT

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20 PCS 2010 SILVER EAGLE DOLLAR ROLL 1 oz 9993 Silver BUY NOW FREE SHIPPING
20 PCS 2010 SILVER EAGLE DOLLAR ROLL 1 oz 9993 Silver BUY NOW FREE SHIPPING
$916.33
End Date: Friday May-18-2012 21:20:45 PDT
Buy It Now for only: $916.33
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20 PCS 2008 SILVER EAGLE DOLLAR ROLL 1 oz 9993 Silver BUY NOW FREE SHIPPING
20 PCS 2008 SILVER EAGLE DOLLAR ROLL 1 oz 9993 Silver BUY NOW FREE SHIPPING
$916.33
End Date: Friday May-18-2012 21:24:55 PDT
Buy It Now for only: $916.33
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20 1 ROLL 2010 AMERICAN EAGLE ONE OUNCE SILVER COINS
20 1 ROLL 2010 AMERICAN EAGLE ONE OUNCE SILVER COINS
$620.00 (1 Bid)
End Date: Saturday May-19-2012 8:43:58 PDT

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1994 2012 American Silver Eagle Roll 20 1 oz coins Mixed Lot
1994 2012 American Silver Eagle Roll 20 1 oz coins Mixed Lot
$626.69 (8 Bids)
End Date: Saturday May-19-2012 12:54:09 PDT

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2010 American Silver Eagle Roll 20 1 oz coins GEM From Wespoint Mint
2010 American Silver Eagle Roll 20 1 oz coins GEM From Wespoint Mint
$636.69 (3 Bids)
End Date: Saturday May-19-2012 14:32:04 PDT

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NEW 2012 2 roll x 20 X 1 OZ SILVER EAGLE COIN 2012 999 US MINT READY TO GO
NEW 2012 2 roll x 20 X 1 OZ SILVER EAGLE COIN 2012 999 US MINT READY TO GO
$1,225.00 (13 Bids)
End Date: Saturday May-19-2012 16:09:21 PDT

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20 SILVER AMERICAN EAGLE DOLLARS COIN 999 BULLION ROLL TUBE 2006
20 SILVER AMERICAN EAGLE DOLLARS COIN 999 BULLION ROLL TUBE 2006
$725.25 (19 Bids)
End Date: Saturday May-19-2012 16:10:20 PDT

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1997 Silver American Eagle Coins Twenty 20 oz 1 Roll Bullion Philadelphia Mint
1997 Silver American Eagle Coins Twenty 20 oz 1 Roll Bullion Philadelphia Mint
$636.69 (6 Bids)
End Date: Saturday May-19-2012 16:49:13 PDT

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19901 RollSilverAmerican Eagle+BU+20 1ozCoins+999 Pure Silver+3DayList
19901 RollSilverAmerican Eagle+BU+20 1ozCoins+999 Pure Silver+3DayList
$677.00 (9 Bids)
End Date: Saturday May-19-2012 17:06:27 PDT

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Buying your silver eagles by the roll also makes sense if you want mint coins that you can cherry-pick for submission to NGC or PCGS. If you want an MS70 designation, your best chance of finding one is going to be in an untouched mint roll.