Belgium coins with a hole in the center are the 5, 10, and 25 Centimes. The value of these coins minted in 1905 ranges from $1 to $3.
It wasn't done at the mint. Someone may have drilled a hole to hang the coin on a lanyard, to use it as a washer, or even because they had too much time on their hands. Unfortunately the hole destroys any collector's value the coin may have had.
You are asking about a 10 Bani coin from Romania (KM#32). The coin is made of Copper-Nickel, weighs 4.00 grams and measures 22mm in diameter with a hole approximately 5mm in diameter in the center. The obverse (front) has a crown above the center hole and a banner, with "ROMANIA" on it, below the hole. The reverse (back) has "10 BANI" above the center hole and "1906" below it, with a florette on eithe side of the date. 24,180,000 were produced at the Brussels, Belgium mint in 1906, and another 17,000,000 at the Hamburg, Germany mint (signified by a "J" mintmark on the coin) in that same year. According to the Standard Catalog of World Coins, an example is worth about US$0.50 in Fine condition, about US$1.50 in Very Fine condition, about US$8.00 (US$9.00 for the "J" mintmark) in Extremely Fine condition, and about US$30.00 (US$32.00 for the "J" mintmark) in Uncirculated condition.
18mm It was decided in a meeting by someone putting a coin from the Netherlands on the table and said that size would do.
Belgium Not an arch but capital A letter for Albert I monogram Same design for 5 or 10 or 25 Centimes coin On reverse is a plant stalk on left and denomination on right. Issued generally 1910 to 1932 (varies for each denomination/type). Also, though a Belgium coin, each has two language types - with French or Dutch lettering. Either reads BELGIQUE or BELGIË on front.
One cent (Canadian or US since the exchange rates are so similar). 1975 is a common date and only worth a penny regardless of the shape it is in. The hole was created after the coin left the mint and so the coin is damaged and worthless to a collector.
There have been several European coins with holes in them in the 20th century. Spain had a hole in their 5-peseta coin from 1990 through 2002, when they switched to the euro. France, Denmark, Belgium, Greece, Norway, Hungary, Finland, Romania, Poland, and Yugoslavia all issued coins with holes in them since 1900.
No it's the hole that kills collectible value. If the coin is silver it has scrap value
It gets bigger
The hole was used to tie a string in order to recover the coin once the coin was used in a vending machine .
You are asking about a 5 cent coin (KM#37) from East Africa. The coin is made of bronze, weighs 5.77 grams, and is 25.3mm in diameter, with a center hole about 7mm in diameter. The obverse (front) has a crown above the center hole and "FIVE CENTS" below the hole. Fleurs are on either side of the center hole, and "QUEEN ELIZABETH THE SECOND" is written around the edge. On the reverse (back) of the coin, tusks surround the center hole, with "EAST AFRICA" on the top edge, the denomination "5" below that, and the date "1955" on the bottom edge. 2,000,000 of these coins were produced in 1955. According to the Standard Catalog of World Coins, and example is worth US$0.10 in Fine condition, US$0.25 in Very Fine condition, US$0.75 in Extremely Fine condition, US$2.00 in Uncirculated condition, and US$3.50 in Brilliant Uncirculated condition. A small number were are also produced in Proof - an example would be valued at about US$150.00.
The hole kills the collectible value of the coin. It's likely only worth about $25.00 for the silver content of the coin. Take it to a coin dealer for an assessment and value.
Just about where the center of the hole is.