Maker - Louis Katz - 1920s mechanical cards

This gift is all for you my rose, Oh! be my Valentine and cure my woes.

5 1/2" x 4 1/4"
dated 1924
Mechanical Flat
by Louis Katz (Publisher)
marked: Made in Saxony
 with flaps along bottom to form stand

 I turn to the Right When I turn to you for my Valentine.

8 3/8" x 6 3/4"
dated 1924
Large Mechanical Flat
made by Louis Katz
in the USA

Louis Katz was  a New York based publisher of cards during the 1920s. I can find nothing to indicate he was an artist himself, but then again, I can't find much for certain at all about this Mr. Katz. Louis Katz was a somewhat common name in the New York area during the 1920s making this task rather complicated.

There is a Louis Katz who had an active art gallery at 308 Columbus Ave in the 1910s and 1920s. This may or may not be the same person. Another likely Mr. Katz became the president of the Quality Art Novelty Co, Inc (located on Long Island, NY) sometime in the 1940s. Quality produced greeting cards and presumably other novelties. Another Long Island Mr. Katz is listed in a 1906 edition of The American Stationer as the floor manager of the Booster Club, an organization of American news companies. 

Katz and Carrington had some sort of relationship as the card below illustrates. The face of the card bears a Katz logo while the back has a Carrington 'E' in a tree logo.

 I'd blush if you knew how much I want a certain Valentine!

6 7/8" x 4 1/8"
dated 1924
Mechanical Flat
Louis Katz logo on right side bottom of the skirt
dated 1924
made in the USA

Charles Twelvetrees is the only artist who I know for sure did some work for Katz. The windmill card above is likely a Twelvetrees. Not all the cards are his work however, as the card below illustrates. The cards bear Katz' circular logo that includes a date. So far all I have found have dates in the 1920s. Paper and inks are very nice quality. All the cards may be mechanical flats - certainly the most readily found are. The cards easily stand out for their quality of production and design. Its a shame more isn't known about this publisher.

Over the hurdles, Who's afraid with a Valentine like you, Sweet Maid!

5 34" x 4 1/2"
dated 1926 
Mechanical Flat
 published by Louis Katz