Poland

Twenty Cents

New Zealand · 1983

Irish 20 Euro Cent

Ireland · 2002

Ghana 1958 One Penny

Ghana · 1958

Bahamas 5 Cents - Pineapple

Bahamas · 1966

New Zealand 10 Cents / One Shilling

New Zealand · 1967-1970 (Based on the dual denomination)

South African Farthing

South Africa · Circa 1950s (Based on design and lettering)

Five Cents

Bahamas · Likely 1974-2007 (since Elizabeth II is not visible, this is an estimate based on the design)

King George VI Two Shillings (Florin)

United Kingdom · 1951

Irish 1 Euro Coin

Ireland · Based on the design and general circulation of Irish Euro coins, the visible '200...' suggests a year of issue in the 2000s, likely 2002 which was the first year of Euro circulation, or a later year in that decade.

Australian 20 Cent Coin

Australia · Based on the design, it is a post-1966 Australian 20 cent coin. The exact year is not visible in the provided image, but this design has been continuous since 1966.

Brazil 1 Real (2nd Edition)

Brazil · 2015

Five Pence Coin

United Kingdom · Due to the commonality of this design (introduced in 2008) and the lack of a visible date in the image, it is difficult to determine the exact year. It could be any year from 2008 onwards until newer designs are introduced or the coin is demonetized. The change in composition to steel plated with nickel occurred in 2011 for cost-saving measures, which can help narrow down the date if the coin's weight or magnetic properties are known.

50 Pesos

Colombia · 1995

Could potentially be a Shilling, Sixpence, or similar denomination of British coinage.

United Kingdom (Great Britain) · Unable to determine the exact year from the provided image due to blurriness and distance. However, based on the design elements visible, it likely dates from the late 19th or early to mid-20th century. For example, the shield design with crown is present on various British coins across different reigns, including Victoria, Edward VII, George V, and George VI.