IMO, this Belgian coin is in F16 to VF20. The donut hole is original to the coin: it is not post-mint damage.
On the obverse, the legend wraps around the coin from 8:00 to 4:00. It reads “Royaume de Belgique**”. There are pillars of some kind forming a letter “A” around the hole in the center of the coin and supporting a crown at 12:00.
On the reverse, an olive branch curves from 5:00 to 12:00, and the legend reads “5 Ces“.
Identification code: Belgium KM-66 (minted 1910-1932)
Mint Mark: n/a
Country of origin: Belgium
Composition: Copper Nickel
Size: 18 mm
Other details: There is a 1913/0 error for this coin: I don’t know how to identify it, so this may be an example of that common error.
This coin was minted with the French legend – there are also similar 5 cent pieces with the Dutch legend “KONINKRIJK BELGIE” but none were minted in 1913; they are worth about the same.
Estimated Value: $0.75-$1.50 in VF30. Here is a good resource for evaluating similar 5 centimes coins from Belgium.