I haven't seen an anniversary BiC pen before and this was the only one on the rack at the grocery store. The rest were the typical 4-in-1. The barrel is a darker
BIC 4-Color Retractable Pen - Medium Pen Point - Refillable - Retractable - Multi, Black, Red, Green - Blue, White Barrel - 1 Each - Filo CleanTech
BiC | Office | Bic 4 Color Ball Pens Pencil 7pc Set | Poshmark
Fueled by Clouds & Coffee: A Salute to the Lowly Bic
Bic 4 Color Pen 50th Birthday Edition Review - YouTube