THIS COB  IS WELL WORN AS IT WAS EXPOSED TO THE ELEMENTS BUT SOME MARKINGS ARE STILL VISIBLE.

COB IS PURE MEXICAN SILVER REALE OF THE 1715 PLATE TREASURE FLEET, ALSO KNOWN AS NUEVA ESPANA (NEW SPAIN).

COIN SHOWS SHIELD OF HAPSBURG ON ONE SIDE,  THIS COB IS FAIRLY SIGNIFICANT AS IT DERIVES FROM A FLEET OF ELEVEN BUT ONLY SIX OF THE SHIPWRECKS HAVE BEEN LOCATED.

THIS COIN IS SHOWING SIGNS OF SEA WEAR AND IS NOT READABLE

SIZE 16 x 15 x 1 MM DIAMETER

WEIGHT 1.8 GRAMS FOR COIN

COIN GRADING ag-3

Mint   State Perfect Un-circulated (MS-70) Mint state un-circulated coin in perfect condition, showing no traces of wear, and no blemishes, scratches, handling or contact with other coins. The best quality coin possible.

Choice (Gem) Un-circulated (MS-65-69) An above average un-circulated coin which retains all of the original mint brilliance or luster, and has a very few contact marks on the surface or rim, which are barely noticeable.

Brilliant Un-circulated or BU (MS-60-64) An un-circulated coin having no traces of wear but which has a few contact marks, surface spotting or lacks some of its original luster.

Choice About Un-circulated (AU-55 & 58)
A coin having very light wear on only the highest points of the design but no other defects and with most of its luster remaining.  

About Un-circulated (AU-50) Coin has evidence of light wear on many of the high points but at least half of the mint luster is still present.

Extremely Fine (EF-40)
The coin design is lightly worn in most places but all the features remain sharp and well defined.

Choice Very Fine (VF-30)
Light even wear on the surface and highest parts of the design but most major features and the lettering are sharp.

Very Fine (VF-20)
Minor features such as some of the finer hair detail, feathers, etc. will be moderately worn. Shows moderate wear on high points of design. All major details are clear.

Fine (F-12)
Moderate to considerable even wear over most features and the lettering. A lot of the details are worn through but you can still see a good deal of the design.

Very Good (VG-8)
The entire design is weak, but a few details are visible. Well worn throughout but coin rims still visible.  

Good (G-4)
Heavily worn but design and legend still visible although quite weak in spots. Many details are gone.

About Good (AG-3)
Very heavily worn with portions of lettering, date and legends worn smooth and barely discernable.