Rujo · Identification

Construction / ID tells

Each model carries a unique printed name; different colorways of the same model are grouped together.
Style numbers follow prefixes such as RBWE10, RBMN09, and RBME26.
Some product pages print “Handmade in Texas” (for example, on The Luis in elephant); others give no place of manufacture.

Maker-specific markings guidance has not been documented yet. Preserve the complete stamp and compare it against dated sources.