This advertising material used as an ink blotter would have been given freely by salesmen, keen to sign up new buyers for their range of motorcar oils. Businesses had quickly recognized the potential for advertising on blotting paper, and began customizing sheets with company marketing. Ink blotting paper thus became a form of business card.often given away by salesman The Castrol company is headquartered in the UK. Castrol was founded by Charles “Cheers” Wakefield under the name of ‘CC Wakefield & Company’. In 1899. By 1960 it had become Castrol Ltd. This is a pictorial record of an advertising media not commonly used in the 21st century. Ink blotters remained in general use until the advent of the ball point pen, which in the period 1945 to 1960 progressively replaced the steel rib and liquid inks.A rectangular card with green and red print. It has two illustrations in red and green of plastic oil bottles with pourer tops. The underside is pink and it is designed for nse as an ink blotter. advertising-blotter castrol-motor-oils stationery