The entities list is unclean and full of missing information and bad spellings. Here is a batch of fixes.
These aren't all for Exonumia, but I believe most of these issues are for Exonumia.
(Many more remain. Missing countries, unexpanded acronyms, and so on.)
https://en.numista.com/catalogue/issuing_entity.php?id=52
Red Army Command
* Add country Romania
https://en.numista.com/catalogue/issuing_entity.php?id=4821
Unofficial Coins - An Phap Style
* Add country Vietnam
https://en.numista.com/catalogue/issuing_entity.php?id=4819
Universal
* Rename Universal Studios
* Add country United States
https://en.numista.com/catalogue/issuing_entity.php?id=503
Army of the United States
* Add country Philippines
https://en.numista.com/catalogue/issuing_entity.php?id=21
Army Treasury
* Add country France
https://en.numista.com/catalogue/issuing_entity.php?id=1548
Bezirks-Sparkasse Traunstein
* Delete. The name was a typo. (Change request made to move the banknote.)
https://en.numista.com/catalogue/issuing_entity.php?id=1720
Chamber of Commerce
* Add country Tunisia
https://en.numista.com/catalogue/issuing_entity.php?id=1758
City Bakery , Fred Mantz
* Remove space before the comma
* Add country United States
https://en.numista.com/catalogue/issuing_entity.php?id=1759
City Bank
* Add country Canada
https://en.numista.com/catalogue/issuing_entity.php?id=1761
City Bus Line
* Change name: City Bus Line (Uniontown)
* Add country United States
Merge these two:
https://en.numista.com/catalogue/issuing_entity.php?id=2257
City of El Monte Transportion Division
https://en.numista.com/catalogue/issuing_entity.php?id=2251
City of El Monte Transportion Division
* Add country United States
https://en.numista.com/catalogue/issuing_entity.php?id=2276
City of Werdohl (Notgeld)
* Remove " (Notgeld)" from name (no other entity has that)
* Add country Germany
https://en.numista.com/catalogue/issuing_entity.php?id=2456
Devlet Darphanesi, istanbul
* Capitalize Istanbul
* Add country Turkey.
https://en.numista.com/catalogue/issuing_entity.php?id=1044
GDR State Bank
* Rename German Democratic Republic State Bank
* Add country Germany
https://en.numista.com/catalogue/issuing_entity.php?id=2719
Great Yarmouth Plearsure Beach
* Rename: Great Yarmouth Pleasure Beach
https://en.numista.com/catalogue/issuing_entity.php?id=2753
Harrah's Casino Hotel , Las Vegas, Nevada
* Remove space before the comma in the name.
https://en.numista.com/catalogue/issuing_entity.php?id=2805
Hungarian Olimpic Committee
* Rename: Hungarian Olympic Committee
https://en.numista.com/catalogue/issuing_entity.php?id=2914
Johnson County Park and Rc
* Rename: Johnson County Park and Recreation District
KØBENHAVNS SPORVEJE
* Rename: Københavns Sporveje
* Add country Denmark.
https://en.numista.com/catalogue/issuing_entity.php?id=3181
Ministre de finances
* English name: Ministry of Finance of France
* Add country France
https://en.numista.com/catalogue/issuing_entity.php?id=3182
Ministre des trabaux publics
* Rename French name: Ministre des travaux publics
* English name: Minister of Public Works
* Add country Belgium.
https://en.numista.com/catalogue/issuing_entity.php?id=2566
Federal Ministry of Finance
* Add country Germany
https://en.numista.com/catalogue/issuing_entity.php?id=866
Ministry of Finance
* Rename: Ministry of Finance of Yugoslavia
https://en.numista.com/catalogue/issuing_entity.php?id=3184
Ministry of Finance
* Rename: Ministry of Finance of Montenegro
https://en.numista.com/catalogue/issuing_entity.php?id=552
Monetary Commission
* Rename: Monetary Commission of Mexico
https://en.numista.com/catalogue/issuing_entity.php?id=5871
Monte Carlo Casino
* Add country The Bahamas
https://en.numista.com/catalogue/issuing_entity.php?id=3270
Montgomeryt, Alabama
* Rename: Montgomery, Alabama
* Add country United States
https://en.numista.com/catalogue/issuing_entity.php?id=3272
Morrisons
* Add country UK
https://en.numista.com/catalogue/issuing_entity.php?id=3976
Municipalidad ciudad de Buenos Aires
* English name: Municipality of the city of Buenos Aires
* Add country Argentina
https://en.numista.com/catalogue/issuing_entity.php?id=4016
Národná banka Slovenska
* English name: National Bank of Slovakia
https://en.numista.com/catalogue/issuing_entity.php?id=97
National Bank
* Rename: National Bank of Yugoslavia
https://en.numista.com/catalogue/issuing_entity.php?id=97
National Bank
* Rename: National Bank of Ireland
https://en.numista.com/catalogue/issuing_entity.php?id=4106
Nunicipal Council of La Granja d'Escarp
* Spanish name: Municipal Council of La Granja d'Escarp
* English name: Municipal Council of La Granja d'Escarp
* Add country Spain
https://en.numista.com/catalogue/issuing_entity.php?id=4179
Peasant cooperative of Pedreguer
* Add country Spain
https://en.numista.com/catalogue/issuing_entity.php?id=5822
People's Bank
* Add country Canada
https://en.numista.com/catalogue/issuing_entity.php?id=4220
Pixieland.com
* Rename: Pixieland Amusement Park
https://en.numista.com/catalogue/issuing_entity.php?id=85
Planters Bank
* Rename: Planters' Bank
* Add country Jamacia
https://en.numista.com/catalogue/issuing_entity.php?id=4264
PropMoney.com
* Rename: Prop Money Inc.
https://en.numista.com/catalogue/issuing_entity.php?id=777
Public Treasury Board
* Add country: Portugese India
https://en.numista.com/catalogue/issuing_entity.php?id=4273
Public Work Ministry
* Rename: Public Work Ministry of Chile
https://en.numista.com/catalogue/issuing_entity.php?id=4422
Seatle Transit Syatem
* Rename: Seatle Transit System
* Add country: United States
https://en.numista.com/catalogue/issuing_entity.php?id=4535
State Bank
* Rename: State Bank of Russia
https://en.numista.com/catalogue/issuing_entity.php?id=4536
State Hospital
* Rename: State Hospital of Germany
https://en.numista.com/catalogue/issuing_entity.php?id=11
The Chartered Bank
* Rename: The Chartered Bank of Hong Kong
* Combine these two
https://en.numista.com/catalogue/issuing_entity.php?id=283
Union Bank of Australia
https://en.numista.com/catalogue/issuing_entity.php?id=282
Union Bank of Australia
* Combine these four
https://en.numista.com/catalogue/issuing_entity.php?id=1219
A. Wertheim retailer
https://en.numista.com/catalogue/issuing_entity.php?id=4886
Wertheim Deptment Stores
https://en.numista.com/catalogue/issuing_entity.php?id=4887
Wertheim Retail stores
https://en.numista.com/catalogue/issuing_entity.php?id=4888
Wertheim Retail stores.
