Below you can find logos, similar to the Opel 10.

Calve 101 Calve 101 vector
GC&SU 108 GC&SU 108 vector
IDM 101 IDM 101 vector
Ohio Northern University 102 Ohio Northern University 102 vector
Hill's 109 Hill's 109 vector
Stimorol 104 Stimorol 104 vector
10-K Thirst Quencher 10-K Thirst Quencher vector
Rangers 103 Rangers 103 vector
Netcentives 110 Netcentives 110 vector
GT Bicycles 108 GT Bicycles 108 vector
Whitworth 109 Whitworth 109 vector
Truly Nolen 107 Truly Nolen 107 vector
Malaga MAS 107 Malaga MAS 107 vector
NVWS 100 jaar NVWS 100 jaar vector
Louisville Cardinals 109 Louisville Cardinals 109 vector