2024 15 USC 291 – Stamping with words “United States assay”, etc., unlawful

2023 15 USC 291 – Stamping with words “United States assay”, etc., unlawful

2022 15 USC 291 – Stamping with words “United States assay”, etc., unlawful

2021 15 USC 291 – Stamping with words “United States assay”, etc., unlawful

2020 15 USC 291 – Stamping with words “United States assay”, etc., unlawful

2018 15 USC 291 – Stamping with words “United States assay”, etc., unlawful

2017 15 USC 291 – Stamping with words “United States assay”, etc., unlawful

2015 15 USC 291 – Stamping with words “United States assay”, etc., unlawful

2014 15 USC 291 – Stamping with words “United States assay”, etc., unlawful

2013 15 USC 291 – Stamping with words “United States assay”, etc., unlawful

2012 15 USC 291 – Stamping with words “United States assay”, etc., unlawful

2010 15 USC 291 – Stamping with words United States assay”, etc., unlawful”