This page applies to silver Colombian 10 and 20 centavos coins that look like our picture. That is Francisco de Paula Santander on the front. He was a military and political leader during the 1810 to 1819 independence war of the United Provinces of New Granada (present-day Colombia). Santander became known as 'The Man of the Laws.'
10 CENTAVOS: 0.040 troy ounces silver
20 CENTAVOS: 0.080 troy ounces silver
These small amounts of silver give these coins a small base value, or BV, which is the value due to silver content alone. At, say, $15 US dollars per troy ounce silver price (look up today's price at kitco.com), BV for 10 centavos is 0.040 x 15 = 60 US cents and for 20 centavos BV = $1.20.
The numismatic (coin collector) value of these coins normally supersedes the base value unless the coin is heavily worn or damaged.
10 CENTAVOS COMMON DATE COINS
average circulated: BV + $2
well preserved: BV + $3
fully uncirculated: BV + $10
20 CENTAVOS COMMON DATE COINS
average circulated: BV + $3
well preserved: BV + $4
fully uncirculated: BV + $15
Some coins have values greater than the 'common date' coins listed above. Shown below are values for well preserved 'better date' coins.
10 CENTAVOS BETTER DATE COINS
1947B: BV + $7 in well preserved condition
20 CENTAVOS BETTER DATE COINS
1945BB: BV + $25 in well preserved condition
1946: BV + $15
1947B: BV + $12
1949B: BV + $15
1950B: BV + $15