I found these among the shoe boxes in a collection I purchased. I do not know how to describe them. What kind of stamps are they? I'm also interested to know if the apparent overprints are meaningful.
These are Internal Revenue (Renta Interior) stamps. The one dated 1896-97 (5 centavos) with attached talon has a CV of 25 cents according to Robert's Mexico's Revenue Stamps (2011). The 1897-98 (10 centavos) with attached talon has a CV of 30 cents. Used revenue stamps with attached talons have a certain appeal, since, in practice, the talon should have been separated from the stamp when the covered transaction was completed.
