J. G. · John E Gazdewich · John G.
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Silver Shield Guide : For Micro Mintage Collectors and Investors | 978-1-5390-0156-0 (1-5390-0156-3) | 2016 |
| The Silver Shield Guide : For Micro Mintage Collectors and Investors | 978-1-5390-0206-2 (1-5390-0206-3) | 2016 |