public_sql_10/market_classification.csv

original_column_name,data_format,combined_description
id,integer,unique id number for each registry entry
card_uuid,text,Foreign key linking to the cards table uuid. Identifies which card this catalog entry applies to
market_tier,text,market classification identifier used for API integration
collector_tier,text,Investment tier classification used by collectors to assess long-term value.
regional_tier,integer,Regional distribution tier code for multi-market inventory tracking (1-5)
collector_rank_tier,integer,Internal collector priority tier ranking for catalog organization (1-5)
investment_tier,integer,Investment tracking classification code used for portfolio analysis (1-5)