Four issues of the Shekel are sent annually to members of the American Israel Numismatic Association who pay $18 for digital copies or $40 for printed copies, but anyone can obtain the digital copy of the full-color 48-page 300th anniversary issue for free by emailing ainapresident@gmail.com and requesting it.

The Shekel, self-described as has been published by the American Israel Numismatic Association since the Spring of 1968. The 300th issue contains diverse topics - the Holocaust, Judaic medals, ancient Judaean coins, Israel commemorative coins, current news, and collectible pins. The articles featured are by Joshua Blustein, by Stuart Weinerman MD, by Steve and Ray Feller, by Mel Wacks, by Simcha Kuritzky, by Peter Tompa, by Dr. Vladimir Bernshtam, and Commemorated on Israel Coins.

Writing in the Tenth Anniversary Edition of the Shekel (March-April 1977), the founding President of AINA, Morris Bram, indicated that

The first editor of The Shekel was Nathan Sobel, who also created the AINA logo and the name for the publication. Nat was the first in a long line of editors: George Gilbert, Ed Schuman, Andrew Perala, Mel Wacks, and the present editor Chaya Sara Oppenheim. The 300th issue of the Shekel thanks the hundreds of collectors and experts who have contributed articles for over a half century, including Howard Berlin, Vladimir Bernstein, Steve & Ray Feller, Sylvia Haffner, David Hendin, Simcha Kuritzky, Aaron Oppenheim, Ira Rezak, Donna Sims, Marvin Tameanko, Mel Wacks, Benjamin Weiss, and many more.

The 300th issue of the Shekel covers nearly 2000 years of Judaic numismatics - from coins of the First Revolt (69/70 CE) to Israel's Football (Soccer) coins (2006).