Obverse Design Legend curving above on the left says "THE . BRITISH . GLORY . REVIV . D". There is a break where the head of Admiral Vernon goes to the rim, then the legend starts up again: "BY . ADMIRAL . VERNON .". There is an inside line enclosing the legend. To our left is a ship heading to our right, towards Admiral Vernon. In the center is a full length figure of Admiral Vernon with his body half turned to the right, and his head fully facing right. Vernon is holding a sword in his right hand and a baton in his left. His scabbard projects below his skirt in the back. To our right is a cannon with the mouth of the cannon pointing at the letters "ER". The cannon and Vernon are on a grained platform, and Vernon's feet are in in front of the trail of the cannon, close to the rim. The medal has a plain and smooth rim.
Reverse Design Legend curving along the top says "HE . TOOK . PORTO . BELLO . WITH . SIX . SHIPS . ONLY .". There is an inside line enclosing the legend. In exergue (under a line along the bottom of the medal) it says: "NOV . 22 . 1739". The center is the attack on Portobello. The six ships are lined up two in the top row sailing right, and four in the bottom row with three sailing right and one sailing left. There are no boats in the harbor but there is something which may be a tower or dock. A tower points at the letters "LO". A steeple points right at the "W", even crossing the line encircling the legend. Another steeple points left of the letter "H". There are water lines under the bottom row of ships. The medal has a smooth and plain rim.
Distinctions

There are about 41 varieties total with a ship, Vernon and a cannon in that order. Of those, 26 have Vernon standing on a platform. In nine of those the platform is grained. In four of the nine the ship is sailing to the right. All four are small medals between 26 and 27 mm in diameter.

Moving to the reverse side, three of the four have the legend "HE TOOK PORTO BELLO WITH SIX SHIPS ONLY". Only this one has the spires on "LO", "W" and "H".

Metal Copper or brass. Weight 4.8 grams Size and Shape Round, 26½ mm in diameter.
Rarity Common. Designer or Issuer Not known. Other Catalog Numbers McCormick-Goodhart #111, Betts unlisted.
Notes