Must be getting old. I get way pissed when I can't find my reading glasses. Found an outlet on eBay that has a box of 10 pairs for $15 - $8 and $7 shipping.

http://stores.ebay.com/froogie__W0QQ_dmdZ1QQ_sidZ946049432QQ_sopZ10

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1986 300SDL, 362K
1984 300D, 138K