Usually, anti-counterfeiting measures associated which include wonderful detail with lifted intaglio printing on bills which will allow non-industry experts to easily spot forgeries. On coins, milled or reeded (marked with parallel grooves) edges are used to exhibit that none of the dear metallic continues to be scraped off.     https://tvsocialnews.com/story4879100/rumored-buzz-on-copyright-5-usd-banknotes-for-sale