Maybe it is one like this ...
Below is translated from Spanish ...
The town of Tetela, whose name comes from Nahuatl and means "abundance of hills", is located in the Sierra Norte of Puebla. It was founded in 1219 by Chichimeca tribes and their wealth of gold and the exploitation of this metal to be made from pre-Hispanic times, from 1528 became known as Gold Tetela, but in 1861, H. Puebla State Congress appointed him Tetela Villa Ocampo, in honor of Melchor Ocampo. It now has the name: City of Tetela de Ocampo.
Most likely in this region was established the first gold and silver mine of Puebla, which was followed by many more in the mining town of La Canada, where many minerals were extracted over time.
In the middle of the Mexican Revolution in 1915, some coins were minted by way of interim and Ocampo Gold Tetela. His coinage is attributed to a legendary figure in this region: General Francisco Lucas, called "The Patriarch of the Sierra" and famous for having fought the French invasion, died in combat in 1917.
It is known that the coinage took place in the house of Don Benedict Segura and attended by Lucas Nursery Solis, Ruperto Vargas, Maurilio Hernandez, Gabriel Trejo and Carmen Cruz. Its composition is:
Metal: Copper
Diameter: 20 mm
Weight: 3.71 grams
Obverse: In the centre, the national emblem of Mexico, surrounded by a row of points and, around, also surrounded by another row dotted reading "Mexico" and below is the date, "1915".
Reverse: In the centre a large number "2" over the word "cents", surrounded by a row of dots around, also surrounded by another dotted row reading: "Tetela Ocampo Gold and E. Pu. ".
Another variety of such large in that instead of "E. Pu. "on the back, add one more letter," e ", being as" E. of Pue. "
Also - coined not only of the material at the time of the Mexican Revolution, had materials shortage fine and so were struck with this material.
End quote. Hope all that helps!