Vintage WOODEN ABACUS by "BERGEN COUNTY INDUSTRIAL ARTS ASSOCIATION" Very Rare!!

ITEM DESCRIPTION: Being offered for sale is the vintage WOOD ABACUS by "BERGEN COUNTY INDUSTRIAL ARTS ASSOCIATION" (markings/stamps at each top/bottom sides also read "Materials Donated by Patterson Paint Co., Larkin Lumber, Center Lumber, J. Isreal & Co., Behnke's Lumber (and) Patterson Bros." - see 2nd pic for close-up of the more-complete stamped side), from circa the early -to- mid 20th century (best guess), as seen in the pictures/as described in the title. PLEASE SEE BELOW FOR IMPORTANT CONDITION NOTES. SATISFACTION GUARANTEED or your money back...no questions asked! CONDITION NOTES: Good/VG vintage condition with minor -to- moderate overall wear from normal use over the years but NO breaks or repairs. Both top & bottom sides are marked/stamped with maker's mark(s) and both are partially faded BUT between the two, the entire stamp can be read (see "ITEM DESCRIPTION" above for full text). Very nice, light patina throughout. See pics. DIMENSIONS & WEIGHT: Measures 15-3/