SSP (single sided porcelain) 1915 Health Bureau Milk License 93 porcelain sign. 4" H x 14" W.Additional info from porcelainplates.net Milk Licenses date from as early as 1908 and stretch an astonishing 28 yearsthrough 1936. In the beginning, the issuer of these plates was termed the HealthBureau. There are a number of unexplained anomalies in these milk plates. Some, for instance, carry letters. The 1908 plate has an "A" prefix before theplate number, whereas the surviving 1912 plate has a "K" suffix. The meanings ofthese letters are a mystery. However, in 2013 a couple of examples of same-numbered plates - but with different suffix letters - showed up. This mightsuggest that these plates were issued to one licensee but were issued forseveral different vehicles. Perhaps in the case of these milk plates it was a dairythat received the unique license number and then got multiple differentlysuffixed plates to go on each of the milk trucks they operated. This is allspeculation, but similar arrangements were made with dealerships in variousstates and this might be a logical explanation. Beginning in at least 1921,furthermore, not only was the standard milk plate issued, but separate anddistinct porcelains were simultaneously manufactured indicating "Grade A" or"Grade B" and "Pasteurized" or "Raw." Thus, during this time there were multipledifferent variations of Milk Licenses issued each year!

4 x 14 in