Oil change - 1893 Touring Wagon - brands?

[steptoe]

both, as in the trade trade price and in a quantity of six.
Ebay may also be your friend in six pack for price.

Gees, 30 years ago the bosses wife decided any Ryco oil filter either sold in the workshop or to the locals doing their own - would be $8. Labour rate charged out for mechanical was $28 per hour, and an oil filter cartridge for an old Rolls was $42 - same as an average oil and filter service !