How listings are ordered and promoted

A view can consider the user's explicit sort and filters, market availability, recency, category and type relevance, listing completeness, moderation eligibility and product-specific signals such as an approaching close.

Position changes as inventory, filters and eligibility change. A high position does not certify quality, authenticity, seller reliability or a likely transaction.

Eligible boosts can increase presentation within a defined surface or period. Paid placement must remain visibly distinct from trust, verification and editorial selection and cannot override a safety restriction.

A curated placement is a presentation decision made under Collectorium's marketplace standards. It is not paid unless disclosed and is not an appraisal, authenticity decision or guarantee.

Offer Market shows delayed, non-price process information only where privacy thresholds are met. It does not expose competing offer amounts, rank buyers, estimate winning odds or manufacture activity when there is insufficient data.