These are nice old coins, Pam. Back in these times, the Philippines was under US administration, and coins were minted by the United States for use there - both in San Fransisco (the S mint mark) and Manila (the M or no mint mark).
Some of the older dates of these coins have decent collectible value, especially as condition improves. For common dates, the catalogs report the following approximate values:
worn: less than $1 US dollar approximate catalog value
average circulated: $2
well preserved: $5
fully uncirculated: $25
Coins dated 1944S are very common, and the catalogs report the following values for the 1944S centavo.
worn: less than $1
average circulated: less than $1
well preserved: less than $1
almost uncirculated: $1
fully uncirculated: $3
brilliant uncirculated: $12
Some coins were minted in smaller amounts and are worth more. The dollar amount after the year given below is for coins in average circulated condition.
1908S (S over S): $25 US Dollars catalog value for average circulated coins
1917S (7 over 6): $40
1918S (large S): $150
The values supplied on this page only apply to coins free of any problems like cleanings, stains, holes, nicks or gouges. Be sure to check out the 'Important Terminology' page on the top left to properly interpret these catalog values.