| Identifier basics (start here) | Eagle Stamps (start here for separating genuine from forged Eagle stamps) | Ray Stamps (start here for identifying the most common forgeries) |
| Background | Compare Genuine and Forgery: | Detail of F2's compared to genuine |
| Pictures by identifier category | Left Wing Margins | Find types of genuine #7, #8, #9 |
| By issue (or "set") | Upper Right Dots Detail | #11, #12, #13 |
| Partial Directory of stamp images, pictures of genuine and forged stamps, and scans of large multiples (e.g., large blocks and partial or full sheets). | Lower Groszes | |
| Varieties | Crown Closeups | Arc Stamps |
| Issue: 1st, 2nd, 3rd, 4th, 5th | Summary or Recap of genuine and forgery distinctions | Find types of genuine #3, #4, #5 |
| Two-sided Proofs | Procedure for "typing" genuine: | Forgeries: #3F's, #4F's, |
| Scans of 2nd Issue one-sided proofs | #1, #2, #1 alternate procedure | #5F1 & F4, #5F2 & F3 |
| Multi-colored stamps | Introduction to Eagle forgery literature, and especially F5 forgeries | Forgeries of #15-17 in general |
| Watermarks | Detail of genuine vs. F1's for: | |
| Stamps with extra lines on right side | Sheaf Stamps | #15, #16, #17 |
| Cancels and Censorship Markings | Find types of genuine #6, #10, #14 & 18 | |
| Catalog Cross-Ref. and Forgery Cross-Ref. | Find types of forged #6F1 & F4, #6F2, F3, F5; or #10, #14, #18 | |
| Freaks & Oddities | 6th, 7th, and 8th Issues (F3's of 3rd, 4th, and 5th Issues) | |
| #2, #4, #5, #6, #7, #15, #16, #18 | Possible characterizations | |
| Perforations or Perf Primer. | Main Analysis | |
| Where to find measurements | ||
| Very important: Stamps which don't fit any of the descriptions | ||