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WesleyThe D350-1 Standard Biscuit set does for the most part share the same checklist as the M101-5 set. D350-1 was just a number assigned to the bakery advertisement. Other advertisers from similar sets were given different numbers such as H810 for Globe Clothiers and D329 for Weil Baking. I believe the concensus is that all M101-5/4 related sets were produced in 1916.
Here is an interesting item in the current Lew Lipset auction.
http://www.oldjudge.com/auction/type-cards-rarities/50/>
Beals Becker was not found in any of the M101 affiliated sets aside from this Standard Biscuit back. Certainly, the Becker card is an intriguing card to throw into the mix for the article.