National Geographic's Collectors Corner

Collaborative site for collectors, dealers, & anyone interested in our history.

Robert Zelenak's Discussions (68)

Discussions Replied To (48) Replies Latest Activity

"I'm sure someone on this site knows!"

Robert Zelenak replied Aug 9, 2016 to Complete National Geographic set.

7 Sep 19, 2016
Reply by David Levey

"I thought you have a complete set. "

Robert Zelenak replied Jun 9, 2016 to Question about NGM April 1913

5 Jun 9, 2016
Reply by Robert Zelenak

"Also a follow up question. Is it known how many complete collections of the National…"

Robert Zelenak replied Jun 9, 2016 to Question about NGM April 1913

5 Jun 9, 2016
Reply by Robert Zelenak

"Thanks Mel! This is a great guide you wrote!"

Robert Zelenak replied Jun 9, 2016 to Question about NGM April 1913

5 Jun 9, 2016
Reply by Robert Zelenak

"Thanks Phil "

Robert Zelenak replied Jun 3, 2016 to Looking for two 1908 issues

2 Jun 3, 2016
Reply by Robert Zelenak

"Have you sold both copies Lynn?"

Robert Zelenak replied Jun 2, 2016 to Two Rare April 1913 Machu Picchu issues for sale

9 Oct 9, 2017
Reply by Lynn Olson

"Thnaks Tom!"

Robert Zelenak replied Mar 16, 2015 to Wanted: 3 issues from 1908

5 Mar 21, 2015
Reply by Mike Oliphant

"Thank you."

Robert Zelenak replied Mar 16, 2015 to Wanted: 3 issues from 1908

5 Mar 21, 2015
Reply by Mike Oliphant

"Those are questions I've had too. I find it interesting on how throughout the early…"

Robert Zelenak replied Mar 16, 2015 to Question about 1959 and 1979 covers.

2 Mar 16, 2015
Reply by Robert Zelenak

"I myself have been surprised that the Sept. 1912 Issue has been hard to find lately.…"

Robert Zelenak replied Feb 24, 2013 to WANTED:NATIONAL GEOGRAPHIC MAGAZINE SEPTEMBER 1912

4 Feb 24, 2013
Reply by Robert Zelenak

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