Ancient Greece (Specifically Athens)

50 Euro Cent

European Union (specifically Belgium, given the design is a common euro design, but the particular mint mark would determine the specific country if visible) · 2002

2 Euro Coin (Common Side)

Eurozone countries (e.g., Belgium, Finland, France, Germany, Greece, Ireland, Italy, Luxembourg, Netherlands, Portugal, Spain, Austria, Cyprus, Estonia, Latvia, Lithuania, Malta, Slovakia, Slovenia) · 2002 onwards (the design for general circulation euro coins was established in 2002)

5 Centavos

Brazil · Based on the design, particularly the font and style of the number '5' and 'CENTAVOS', this coin appears to be from the Brazilian Real currency series, likely issued in the 1990s or early 2000s, specifically after 1994. Exact year cannot be determined without seeing the obverse.

Krewe of Pegasus Mardi Gras Doubloon

United States (New Orleans, Louisiana) · 1979

New Zealand Three Pence (Kiwi)

New Zealand · 1964

Delhi Durbar Medallic Token

British India · 1911

Standing Liberty Quarter

United States · 1929

Green River Whiskey 'Lucky Drink' Advertising Token

United States, J.W. McCulloch Distillery · circa 1899-1920

Not a coin (United States Two-Dollar Bill)

United States of America · 2013 (Series visible on top note)

1977 Silver Jubilee Crown

United Kingdom · 1977

Late Roman AE Nummis (likely Valentinian I or Valens)

Roman Empire · 364-378 AD

Standing Liberty Quarter

United States · 1916-1930 (Date is worn off this specimen)

Italian 20 Lire (Aere dei Tre Monarchi)

Kingdom of Italy · 1928

Indian 5 Rupee Banknote (Mahatma Gandhi Series)

India (Reserve Bank of India) · Circa 2002-2011

Standing Liberty Quarter

United States · 1916-1930 (Date is illegible in image due to wear)

Eisenhower Dollar

United States · 1971

Jovita Idar Quarter (American Women Quarters Series)

United States of America · 2023

HSBC Ten Dollars Banknote

Hong Kong · 1985

United States Two-Dollar Bill (Series 1976)

United States of America · 1976

Generic Arcade or Slot Machine Token

United States (General Merchant/Amusement) · Late 20th Century (Approx. 1970s - 1990s)

2006 Colorado State Quarter

United States of America · 2006

Canada George V Large Cent

Canada · 1919

Chartered Bank Hong Kong 10 Dollar Banknote (Note: The provided image is of a banknote, not a coin)

Hong Kong · 1981 (Dated 1st January 1981)

Cayman Islands 10 Cents (Green Sea Turtle)

Cayman Islands · 1972-present (the specific year is on the reverse side)

Spain 5 Pesetas - Francisco Franco

Spain · 1957

Australian 2 Dollar Banknote (not a coin)

Australia · Issued between 1966 and 1988 (this specific Johnston/Fraser signature combination dates from 1985)

Bahamas 1 Dollar Banknote (Queen Elizabeth II)

The Bahamas · 1974

Koviss Golf Ball Marker

South Korea · Circa 2000s - Present

British 50 Pence (Decimal Coinage)

United Kingdom (Royal Mint) · 1997-2022 (Modern reduced size)

Hong Kong 10 Dollar Banknote (HSBC)

Hong Kong · 1985

20 Lire (Oak Branch type)

Italy · 1957

HSBC 10 Dollar Banknote (Note: Image provided is a banknote, not a coin)

Hong Kong · 1985

1 Rupee Definitive Series

India · 2002

1 Rupee (Corn stalks Type)

India · 1978

Canadian 25 Cents Elizabeth II (3rd Portrait)

Canada · Circulates roughly between 1990 and 2002 (based on the third effigy design)

Indian Head Cent

United States of America · 1899

United States Administration Philippines One Centavo

Philippines (under United States Administration) · 1944

1951 Canadian Nickel Bicentenary 5 Cents

Canada (Royal Canadian Mint) · 1951

Thailand 20 Baht Banknote (Series 12)

Thailand · 1981

Not a coin

Ten Dollar Banknote (HSBC)

Hong Kong · 1985 (Dated 1st January 1985)

Pachinko Token (Japanese Game Token)

Japan (Private Issue) · Late 20th Century (approx. 1970s - 1990s)