I've been collecting the Splatoon Amiibo figures and just got some counterfeit ones from a 3rd party seller on Walmart dot com. I thought I'd share comparison pictures against the genuine article.
Custom Red Octoling Girl Amiibo - Etsy
Octoling 3-Pk, Splatoon Series, Nintendo amiibo, NVLEAE3E - Walmart.com
amiibo - Pearl Houzuki - Splatoon Series | Authentic Japanese Splatoon amiibo | Worldwide delivery from Japan – Ichiba Japan
Amiibo Splatoon 3 - Smallfry
CDJapan : amiibo Octoling [Blue] (Splatoon Series) Game Nintendo Switch Accessories
Octoling 3-pack (Splatoon series) - Nintendo Switch Amiibo (European I – J&L Video Games New York City
Splatoon Blue Octoling amiibo - Nintendo Official Site
Nintendo Splatoon Octoling Boy & Octoling Girl & Octoling Octopus amiibo - US
amiibo Splatoon Series Figure Triple Pack (Shiver / Frye / Big Man) for Wii U, New 3DS, New 3DS LL / XL, SW
Octoling Boy (Splatoon series) - Nintendo Switch Amiibo (Japanese Impo – J&L Video Games New York City
Are these amiibo rare? : r/splatoon
amiibo - Pearl Houzuki - Splatoon Series | Authentic Japanese Splatoon amiibo | Worldwide delivery from Japan – Ichiba Japan
Nintendo amiibo Splatoon Series Fuuka JAPAN OFFICIAL — ToysOneJapan
Amazon.com: amiibo - Octoling (Blue) - Splatoon Series : Video Games