If the TSA agents find cannabis, they will most likely confiscate it, and you could either miss your flight or spend the evening (or possibly longer) in a jail cell
The "yu2" may be useless, or it can be a lot number stamped on the product to help people know which batches may be recalled
For repeated, documented violations, you now have a clear and evidence-based case to begin the eviction process in accordance with local laws
Reviewing the shape index in The Historic 1906 Catalog, I see there are only eight named shapes in the entire catalog, all of them found in the Petersons Patent Lip Pipes or section, which begins on page 58
Check our quick Rules for Carrying Liquids on a Plane guide so you know which items are allowed, the 100 ml rule, and how to avoid delays at security
(n) Pipe tobacco The term pipe tobacco means any tobacco which, because of its appearance, type, packaging, or labeling, is suitable for use and likely to be offered to, or purchased by, consumers as tobacco to be smoked in a pipe