Sometime after the appearance of the equipment catalog of December, 1916 the BSA replaced the set of thirty postcards depicting Scouting activities.  The new unnumbered cards illustrated a wider variety of activities including the new "Nautical Scouts." It featured the newly standardized uniforms, and, in addition to campcraft, emphasized a Scout's obligation to God and Country.
The cards were printed by the ArtVue Company of New York City.
The words "Official Boy Scout Post Card" appear on the left edge of the back of the cards.  There were two printings with identical fronts.
Type I cards contained ArtVue's monogram "AVC" inside the shield just above the spine on the back of the card.  Sometimes the monogram is reported as "AC".  (30 cards)
Type II cards have an empty shield.  In all other respects the cards are identical. (30 cards)

The calendar consists of 6 pages tied together at the top with a leather bow. Each page covers a two month period.
At the bottom of each page is a post card perforated along the top. The 3in by 5in cards are conspicuously smaller than standard postcard size.  Each card includes a 1917 copyright notice by Barse & Hopkins [28 W. 23rd St., N.Y.] and the Jan. 16, 1916 patent date by H.M.Stewart.  The first card contains the first two points of the Boy Scout Law.  Subsequent cards portray the even numbered points, the odd numbers being shown on the calendar tops.
The back of each postcard is labeled "Boy Scout Ryte-Me".
The 1918 calendar exists both with and without the inscription "This calendar given free with a year's subscription ($1.50) to Boy's Life. . ." printed at the bottom of the first page. Since the first postcard may be found with and without the ad, there are seven different postcards in total.

The late 1920's and the 1930's saw a shift from postcards issued by the BSA to cards issued by local councils for individual camps.  With the Second World War, the cost of printing postcards rose to the point where many councils could not afford to have them printed.  In 1947 the National Council issued a series of ten whimsical artist drawn generic cards with a place for a camp name to be written or stamped on each.  The name of the artist has not yet been identified.  The date and catalog number #3056 are clearly indicated on the spine of each card.

The Merin Studios of Philadelphia published as set of twelve slightly undersized black and white postcards by photo offset. They were not issued by the BSA.  Never-the-less they have an official Jamboree emblem on the back, were sold at the Jamboree trading posts, and are always included with Jamboree memorabilia. We prefer to list them at 2nd National BSA Jamboree, 1950: Official Postcards but are mentioning them here for completeness.

Curt-Teich took a standard series of fifteen Valley Forge postcards and sold them as Jamboree souvenirs in a package labeled "1950 Boy Scout Jamboree."  The individual cards are indistinguishable from those sold for several years both before and after the Jamboree. The BSA had nothing to do with them, and most collectors do not consider them Boy Scout Postcards.

As they did in 1950, Curt-Teich sold a standard series of Newport Beach, California postcards as a souvenir for the Jamboree held in nearby Santa Anna, California..

After nine years, the BSA replaced the cards with a second series numbered #3057. 

The Merin Studios published a series of twelve postcards. There were six designs: each design was printed both in a brownish tone and in a greenish tone. (See comments under their 1950 postcards.)

    (- -)   Curt-Teich Souvenirs for the 1957 Jamboree. (21 cards)

Once again, Curt-Teich repackaged standard Valley Forge postcards as Jamboree souvenirs. They sold two sets: the same linen set as in 1950, and a set of six chrome postcards. Both sets were mislabeled "Third" National Jamboree.

After onlly two years, the BSA once again replaced the cards.  The new catlog number was #3067a.