You would have to provide more detailed information. The color of the stamp as well as it's condition would be needed. It might also depend upon the design and whether it is regular issue or a commemorative. The stamp is from Belgium and probably has a value of less than a dollar, but without the details we can't tell for sure!
The 1904 Indian Head cent is a common coin, in average condition values are $1.00-$3.00.
The 1904 Straits Settlements Coin One Dollar Is Worth $110.00
$2 to $875 depending upon the condition of the coin.
The one cent Euro coin is worth 0.6452 of an American cent.
A silver 1829 5 cent coin is worth between £30 and £80
A five cent coin from 2005 is worth five cents.
50 cent
The penny coin which was worth a cent
I have this coin1908 Republique D'Haiti 50 cent piece coin worth
25 CENT
One cent
How much a 1901 Magyar 2 cent coin is worth depends on the condition of the coin. In average circulated condition, such a coin is worth 1 US dollar. In fully uncirculated condition, this coin is worth 5 US dollars.