| Billig Catalog # | 1714 |
|---|---|
| Scott # | 158 |
| Category | Billig's Philatelic Handbook, Vol. 33 (19th Century U.S. Fancy Cancellations) |
| Narrative | Square-and-compass with letter 'G' within a circle. Recorded by Billig as catalog #1714: Scott #158, 1873, Bangor, Me. — "Square & Compass". |
| Source | Bangor, Me. |