Logitech G100s 910-003533 1 x Wheel USB Wired Optical 2500 dpi Gaming Mouse Gaming Mice - Newegg.com
Amazon.com: Logitech G100s Optical Gaming Mouse : Video Games
This school mouse's shape kind of reminds me of g-pro shape + g100s sides combined into 1 mouse. Kind of make the mouse more comfortable than the g-pro imo : r/MouseReview
Logitech G100s Desktop Mouse And Keyboard Optical Combo Set - Keyboard Mouse Combos - AliExpress
Logitech G100S Wired Gaming Mouse for Laptop PC with 2500 DPI Optical Ergonomic USB Mouse Both Hands Support Official Test _ - AliExpress Mobile
G100s G100 G1 game mouse USB wired - AliExpress
I found these two G100S in a local market for around 1 dollar each. Definitely a good egg-shaped mouse aside from G102. : r/MouseReview