Below you can find logos, similar to the Johns Manville 50.

Buell 350 Buell 350 vector
Access 503 Access 503 vector
JOHNSON & JOHNSON 2 JOHNSON & JOHNSON 2 vector
Eurosport 150 Eurosport 150 vector
750 750 vector
HOWARD JOHNSON HOWARD JOHNSON  vector
Johnson Johnson vector
Stream 150 Stream 150 vector
Palm, Inc 50 Palm, Inc  50 vector
Rigips 50 Rigips 50 vector
HERSHEY S KISSES LOGO P504C HERSHEY S KISSES LOGO P504C vector
Ford F-150 Ford F-150 vector
RealDownload 50 RealDownload 50 vector
Africa Twin 750 Africa Twin 750 vector
Pegasus Solutions 50 Pegasus Solutions 50 vector