| Juan Böettger |
|
| Juan H. Kidd y Cía |
|
| Juergen Schwarz |
|
| K. k. Hof- und Staatsdruckerei, Wien |
|
| K.Seizinger |
|
| Kalamazoo Security Print |
|
| Kallmeyer, Madrid |
|
| Kazakh Banknote Printing Works, Almaty |
|
| Kelantan Printing Department |
|
| Kendall Bank Note Co. |
|
| KFPR |
|
| Kharkiv Office of Communications |
|
| Kihn Brothers Bank Note Co. |
|
| Kinryo |
|
| KNP |
|
| Kobundo Printing Co., Naha |
|
| Königlich Württembergische Verkehrsanstalten |
|
| Königliches Hauptmünzamt |
|
| Korea Minting and Security Printing Corporation |
|
| Korean Government Printing Agency |
|