Yippee Ki Yay · Identification

Construction / ID tells

Yippee Ki Yay pairs carry model codes in the format "YL###" or "YL###-##" (for example, YL700-2 or YL161-17), distinct from Old Gringo's own "L####" code series.

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