progressive markings

[bexita]

hello. can anyone tell me what brand of progressive uses the following markings: +
K

thanks in advance.
-B

[KStraker]

Signet armorlite, Kodak or navigator

[Uncle Fester]

hello. can anyone tell me what brand of progressive uses the following markings: +
K

thanks in advance.
-B

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:)

[Jacqui]

Try here

http://www.laramyk.com/learn/pal_chart.html