For general discussion, posting new/possible examples etc, see here:
https://www.stampboards.com/viewtopic.php?t=17322
For background, and a guide to identifying this stamp, see here:
https://www.stampboards.com/viewtopic.php?t=12505
Example 1. Source: ebay seller shanemck

Example 2. Source: Stampboards, member Frankpost, Feb 2010

Example 3. Source: Michael Eastick pricelist

Example 4. Source: Michael Eastick pricelist

Example 5. Source: Michael Eastick pricelist

Example 6. Source: Corinphila Auction, Dec 2018

Example 7. Source: Stampboards member Kaygeevee/ Millennium Philatelic Auctions 29 Jun. 2005 Lot 333

New image. Source: Stampboards member rugbydad.
Example 8. Source: Status International auction catalogue 201

Example 9. Source: Status International auction catalogue 201

Example 10. Source: Status International auction catalogue 203

Later sold by Grosvenor Auctions - better scan

Example 11. Source: Status International auction catalogue 203

Example 12. Source: Status International auction catalogue 225

New image. Source: Stampboards member rugbydad.
Example 13. Source: Status International auction catalogue 225

Example 14. Source: Status International auction catalogue 196

Examples 15 & 16. Source: Status International auction catalogue 205

Example 17. Source: Status International auction catalogue 207

Example 18. Source: Status International auction catalogue 227

Later sold by Mossgreen Auctions Jun 2015 for $490.

Example 19. Source: Prestige Philately auction

Example 20. Source: Status International auction catalogue 224
