Dicker

n. [Also daker, dakir: L. Ger. & Sw. de-ker, Icel. dekur, Dan. deger, Ger. decher, L. Lat. dacra, dacrum, decora, dicora, decurra, from Lat. decuria, a division consisting of ten, from decem, ten.]

1. The number or quantity of ten, particularly, ten hides or skins; a dakir: as, a dicker of gloves. [Obs.] “A dicker of cow-hides.” Heywood.
2. A chaffering barter or exchange of small wares. [U. S.]

For peddling dicker, not for honest sales. Whittier.