Well, it looks pretty certain that Abe must be a former Lopoline employee who's started his own cabinet business. Lopoline is located in Victorville, CA (NE of LA, basically due north of Riverside), and that's exactly where UPS tracking shows that Abe's parcel originated! And take a look at Lopoline's 1x12 cabinet in the same color scheme:


Virtually identical to mine, except for the price. Abe charges $95 for his removable-back 1x12 cab, vs. $147 from Lopoline. A great value!

I could have bought the Lopoline version loaded with a Celestion Vintage 30 for $247. Using Abe's cabinet and the WGS Veteran 30 speaker, the price comes to $140! NICE SAVINGS!