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Thread: Treasure Cobb from the 1733 fleet !!

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  1. #16
    us
    beachcomber, treasure hunter, fisherman

    Jun 2016
    FL keys
    Mine lab primary fisher secondary
    3,560
    10689 times
    All Types Of Treasure Hunting
    Banner Finds (1)
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    All done, big difference !!
    RTR, villagenut, Simon1 and 3 others like this.

  2. #17
    RTR
    RTR is offline
    us
    Roger

    Nov 2017
    Smith Mt. Lake Va.
    Teknetics Liberator Falcon MD-20
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    All Types Of Treasure Hunting
    Great job Bart at bringing it back
    Blak bart, Simon1 and Wrightdigger like this.

  3. #18
    Charter Member
    us
    Aug 2017
    Northern Virginia
    AT MAX/AT PRO/Garrett Pro Pointer, Lesche diggers, and the custom made Freeloader Pack Mule Pouch!
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    2501 times
    All Types Of Treasure Hunting
    Honorable Mentions (1)
    ARRGGGHHH Treasure!!! Congrats!
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  4. #19

    Mar 2012
    1,311
    816 times
    All Types Of Treasure Hunting
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    Excellent recovery.
    Blak bart, Simon1 and Wrightdigger like this.

  5. #20
    RTR
    RTR is offline
    us
    Roger

    Nov 2017
    Smith Mt. Lake Va.
    Teknetics Liberator Falcon MD-20
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    6293 times
    All Types Of Treasure Hunting
    I registered find as a BANNER !
    Blak bart, Simon1 and Wrightdigger like this.

  6. #21
    us
    Nov 2008
    long island ny
    Whites Prizm V, MX 5, Equinox 600
    320
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    All Types Of Treasure Hunting
    A bucket lister for sure!!I love the shells as well. How did you clean that beauty up so well?
    Blak bart, Simon1 and Wrightdigger like this.

  7. #22
    Charter Member
    us
    Jan 2008
    S. Hutchinson Island
    Excaliber II with homemade straight shaft
    378
    184 times
    All Types Of Treasure Hunting
    Quote Originally Posted by Blak bart View Post
    Thanks everyone !! It was a fun week for sure !! Digger o'dell, give it a try in the fall winter season. Late hurricanes and north easters are great for cutting the beach back. I like to hunt on the king tides too. Summers are slow and Sahara hot !! Happy hunter, I love my excalibur, that's what I use most of the time. I'll be back up there soon Steve !!
    👍👍👍
    Simon1, Blak bart and Wrightdigger like this.
    "Twenty years from now you will be more disappointed by the things that you didn't do than by the ones you did do. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover.-Mark Twain

  8. #23
    Charter Member
    us
    Jan 2008
    S. Hutchinson Island
    Excaliber II with homemade straight shaft
    378
    184 times
    All Types Of Treasure Hunting
    Quote Originally Posted by claire View Post
    A bucket lister for sure!!I love the shells as well. How did you clean that beauty up so well?
    Yes, how did you clean that coin!
    Simon1, Blak bart and Wrightdigger like this.
    "Twenty years from now you will be more disappointed by the things that you didn't do than by the ones you did do. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover.-Mark Twain

  9. #24
    Charter Member
    us
    ZO6 Guy

    Jan 2014
    Los Angeles
    Minelab Excal II, Garrett AT Pro, CTX3030
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    That is sweet! Congrats!
    Simon1, Blak bart and Wrightdigger like this.

  10. #25
    us
    Lookit Tha Size O' Those Hog-Mollies!!!

    Jan 2009
    SW MO
    Garrett AT Pro/ Minelab X-Terra70/White's 5900 Di Pro SL/Garrett ACE 250/Fisher M-Scope 1280-X/B.H. Pioneer 505
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    I keep coming back and staring...
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  11. #26

    Aug 2016
    MI
    E-TRAC
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    1916 times
    All Types Of Treasure Hunting
    Congrats that is a Beauty!!!
    Blak bart, Simon1 and Wrightdigger like this.

  12. #27
    us
    Silver Coin Fiend

    Apr 2014
    Charlotte
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    Honorable Mentions (1)
    Congrats on the cob Bart!

    Your hard work paid dividends.
    Blak bart, Simon1 and Wrightdigger like this.

  13. #28
    us
    beachcomber, treasure hunter, fisherman

    Jun 2016
    FL keys
    Mine lab primary fisher secondary
    3,560
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    All Types Of Treasure Hunting
    Banner Finds (1)
    Quote Originally Posted by claire View Post
    A bucket lister for sure!!I love the shells as well. How did you clean that beauty up so well?
    So......after the sand is rinsed off good, it's time to work on the sulfide crust. If you zoom in on the pics of it, you can see specks of sand fused in the sulfide crust. To remove the sand and soften the sulfide I submerge the coin in a diluted acid bath. 50/50 water and muriatic acid. When the fizzing stops or slows dramatically this process is done. This takes about 30 seconds to a minute.at this point all the sand is dissolved off and the sulfide casing has softened. Now under running water the sulfide caseing can be gently manipulated with my fingers, and most of it flakes right off. The coin goes from thisClick image for larger version. 

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ID:	1645578. At this point it's on to a tin foil lined dish baking soda and boiling water. Place the coin on the tin foil lined dish. Take some baking soda and mix with water until you have dissolved it into a saturated solution. Take this solution and microwave until boiling. Take the boiling solution and pour it into the foil lined bowl with the coin in it, and watch the magic happen. I had to repeat this process quite a few times to get the end result. After this process the coin is very clean and white.Click image for larger version. 

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    I only do this with the treasure fleet coins, they get there value as mounted pieces of jewelry and for the story line and provenance surrounding them, and not there numismatic value in most cases. So if I have plans to mount it I'll clean it to white, but I do have a few left with heavy patina and not much cleaning also.
    RTR, sphillips, Simon1 and 4 others like this.

  14. #29

    Apr 2016
    South Western PA
    ACE 250 with DD coil Equinox 600
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    Metal Detecting
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    I love the Cobb and story. Awesome find! Top of my bucket list for sure. Congrats!!
    Blak bart, Simon1 and Wrightdigger like this.

  15. #30

    May 2018
    34
    50 times
    All Types Of Treasure Hunting
    That's some good information, thanks! I've had really good luck soaking in CLR for removing the sulfides. It also dissolves encrusted shells. Mostly dont have that problem here in the great lakes region, but every once in a while we get a crusty one out of the water.
    Blak bart and Wrightdigger like this.

 

 
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