Schick Injectors for Dummies — Type M Type Madd_link The aim of this is to update and clarify best as possible the various style of adjustable injector razors and when they were produced. Using dial and handle stickers strictly to date the razors is not really possible since they weren't used in a linear fashion for the most part. The only consistent delineation is the addition of the guard lock originally the protector feature on the razors in 1973. Any razor without is 1964 - 1973 and any with is 1973 onward regardless of handle or dial stickers. I am going to drop Appleby's designations outright except for calling them Type M injectors and instead identify them by a combination of the style of dial sticker, handle sticker and guard feature. Keep in mind there are a few stragglers out there that are not representative of the packaging. I will elaborate more on those towards the end of this write up. Now to define the razor characteristics Dial stickers D1 black dot in middle D2 no black dot in middle D3 cross in middle D1 and D2 D3 D1 and D2 in advert on the left, D3 on the right Handle stickers H1 Schick adjustable H2 Schick Dial H3 Adjustable by Schick H4 no sticker H1 H2 H3 H4 Guard protector lever G1 without lever G2 with lever G1 on the left — G2 on the right Now onto the combinations and years produced. As far as how each shaves compared to each other is unknown and outside the scope of this synopsis. Without guard protector First up are ones without a guard protector lever. This covers from 1964 - 1973. The first iterations were marketed as Schick Adjustable razors and were produced between 1964 - 1966. These came with the following stickers and using the first post's identifiers came in two variations with either an D1 or D2 dial sticker along with the H1 handle sticker and G1 guard. The earliest instance I found was here Ad from the Indianapolis Star Sept. 4th 1964 Indianapolis Star Click for full page In 1966 Eversharp rebranded these razors as Schick Dial Injector Razors. These were produced between 1966 - 1968/1969. These came with the following stickers and using the above identifiers came in two variations with either an D1 or D2 dial sticker along with the H2 handle sticker and G1 guard. Retail packaging from 1966. Change probably had to due with marketing trying to highlight the razor as having a comfort control dial. Ad from the Lancaster Eagle Gazette Jun. 15th 1966: Lancaster Eagle Gazette Click for full page Ad from the Selma Times Journal Dec. 28th 1969 Selma Times Journal Click for full page Retail packaging from 1968: These came with the following stickers and using the above identifiers came in two variations with either a D1 or D2 dial sticker along with the H1 handle sticker and G1 guard. In 1968 they either transitioned back to or there was an overlap in production of the H2 Schick Dial and H1 Schick Adjustable handle stickers. These H1 sticker variant razors differ besides the packaging by the cases from the earlier 1964 - 1966 versions. The earlier versions came in black clamshell cases, these were in either blister packs or rectangular cases. These were produced between 1968 through 1973. Ad from the Albany Democrat Herald Feb 20th 1973: Albany Democrat Herald Click for full page Some notes, even though these razors came with two styles of dial stickers you almost never see them when they come up for sale which is often with the D1 style. There were also a few stragglers probably produced in 1973 with the D3 center cross style stickers on handles with the H1 sticker and G1 style guard they are uncommon but some do exist out in the wild. With guard protector In 1973 the only major functional change to these razors was introduced with a new guard lever marketed initially as the protector that locked the guard from moving and in such a way that you could grab the razor head without cutting your fingers. This covers from 1973-1984/86. These razors came with the D3 dial sticker, H3 handle sticker and G2 style guard. There were a few stragglers produced probably right when they switched over in 1973 with the D2 dial sticker on them instead. Ad from the Lebanon Daily News Aug 28th 1973: Lebanon Daily News Click for full page About approximately 1980 the handle style changes to an H4 with the D3 dial sticker and G2 style guard. These razors can be broken down into two time frames, the ones between 1980 and 1982 were like all prior versions of the adjustables and lacked any Schick logo on the razor head. The ones made from 1982 - 1984 had logos etched on the heads. These were sold through mail order by Warner Lambert past 1984 until at least 1986. 1980-1982 variant 1982-1984 variant on right Ad from the Democrat and Chronicle Sun Dec. 30th 1984: Democrat and Chronicle Sun Click for full page