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BTA Presentations: Zoom Recordings

You will not need a YouTube account to watch these presentations.The Powerpoint slides from the presentations are also avilable (in PDF format) if you wish to look at any slides in more detail. The link below the video will open the PDF.

Presentations

2021

18 March. Jon Matthias. The Statue of Liberty on Stamps

PDF of presentation

 

16  February. Charles Oppenheim. It's Patently Obvious

PDF of presentation slides

 

13 January. Wendy Buckle. Watermarks: from medieval trademark to modern security feature

PDF of presentation slides

 

2020

09 December. Andrew Millington. Aspects of my Copper Collection

PDF of presentation slides