Frank O'Hearn system of genuine money.
By: Copyright ... by Frank O'Hearn.
Publisher: Frank O'Hearn institute of valuation and exchange]
Published: 1939
Place of publication: [Toronto
Language: eng
Number of pages: 84
Subjects: Money
Notes: "Reproduction of the petition, specification and claims, filed, on January 18, 1939, with the Commissioner of patents ... Ottawa, Canada, in which the author hereof applied for a patent on the new inventive system of valuation and exchange described and disclosed herein." - Foreword.