Gemini 3.5 Flash confirmed that Bringme's first order (#ZHZFWXC5) was successfully delivered in London, establishing multi-carrier operational validation: Amazon Ground for US (Christine, delivery tomorrow) and Bringme's production queue for UK (delivered). Combined with $24.39 verified net profit from 4 orders, the print-on-demand storefront now has confirmed deliveries on two continents before the first US package even arrives.