Here is a recent addition that I thought was worth sharing. On this forum, we have seen pictures of earlier (1890) D&M envelopes featuring the Irwin glove and mitten. But I had not seen this one before. And what I thought was particularly cool was that this D&M envelope post-marked 1896 says, "Send For Catalogue" along the bottom on the back side. The cool part? What I believe is the corresponding "catalogue" (tri-fold brochure) was with the envelope. Here are some pics: