The '16 2.5 is a scarcer 1 yr. type. They have sold recently for: http://www.ebay.com/sch/Panama-/451...w=1916 1/2&_pppn=r1&_dcat=45147&LH_Complete=1
The Mexican 10 centavos is the Hermosillo mint. Valued at $7.50 in F., $15 in VF, $30 in XF. You can decide which of those you think it is. There's also an 1884/3 variety that is worth a little more. I can't see if yours has an overdate.
