Where to buy gold bullion reliable?

Where to buy gold bullion reliable. Can I buy online as kitoco.com, monex.com etc. .. How was I to know that I'm getting gold bullion gold is 24 Karet. Is it possible that the writing of 9999 is not really 9999% of gold?

Yes, you can write well. Although they say it is almost pure gold, then you are ready to continue.

Buy silver, gold bullion bars, coins, ingots in the UK – Click link to shop

5 GRAIN SOLID 24K GOLD BULLION BAR/ROUND .999 FINE/PURE – W/ COA – AMAGI $24.99

1 GRAM .999 PURE U.S. SILVER BULLION 24K GOLD LION BAR UNCIRCULATED! $2.75

Collectors 10 GRAIN 24K PURE.999 GOLD BULLION 2012 EDITION BAR FREE 5 GR SILVER $49.98

GOLD Bullion – The Perth Mint – Kangaroo 1 oz pure GOLD BAR 99.99% $1,775.00

1 GRAM .999 PURE U.S. SILVER BULLION 24K GOLD AMERICAN FLAG BAR UNCIRCULATED! $2.24

GOLD 5 GRAIN 24K PURE 99.99 FINE GOLD BULLION LIMITED EDITION PYRAMID BAR w/COA $23.99

1 New DETECT .999 Fine PIated GOLD Half Eagle CIad Bullion Bars Coins Scrap AU K $9.99

★ TWO ★ 1 GRAM .999 FINE PURE SILVER BULLION BARS BUFFALO ★ GOLD OVER SILVER ★ $9.95

★ 1 GRAIN SOLID GOLD BAR .999 24k GOLD FINE BULLION w/COA ★ BONUS 5 GRN SILVER $12.95

*(2) – Two Solid Gold 1 Grain .999 FINE 24K Bullion Bars $8.50

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GOLD 5 GRAIN 24K PURE .999 FINE GOLD BULLION LIMITED EDITION BAR WITH C.O.A. $23.99

1 Grain 24K .999 Fine Pure Solid Stamped New Gold Bullion Bar 1/12 gram US Mint! $6.00

.999 24K Gold/titanium 1 Troy gram Bear Bullion Bar NO RESERVE FREE SHIPPING $1.25

1 New TEST DETECTOR FAKE SCRAP RECOVERED GOLD BULLION Coins Bars Jewelry .999 K $14.99