Headers are matched by column name, not position — order doesn't matter, and any column not listed here can be omitted entirely. Required columns are bolded in each row below.

Primary market (checklists, offers, asks)	artist_name,gallery,fair,fair_edition,fair_year,title,year_produced,medium,dimensions_raw,edition_raw,inventory_number,pdf_page_ref,press_text,press_text_raw,price_amount,currency,price_type,availability_status,price_note,offer_recipient,as_of_date,source_url,source_type,confidence,vetting_note
Exhibitions	artist_name,venue,venue_type,gallery,booth_number,show_type,title,start_date,end_date,city,press_text,press_text_raw,author_name,artist_note,inclusion_type,gallery_description,gallery_description_raw,source_url,source_type