Thanks Mr Tom, Admin, IARrybody for all the valuable inputs,
@ IARrybody, If you want to get these 3's, I think you must compete against the Oversea bidders that they are very serious interested in collected the AR3's with low serial numbers and ready to pay very high price for them, predicting the winner of this pair will pay up to 3.5$K ( Recently ,the two AR3's pairs with low serial sold on fleabay over 3 grands)
1.https://www.ebay.com/itm/Vintage-Pair-Acoustic-Research-AR-3-Loudspeakers-Alnico-Magnet-AR3-Low-Serial/123688070541?ssPageName=STRK%3AMEBIDX%3AIT
2.https://www.ebay.com/itm/Acoustic-Research-AR-3-Loudspeakers-PLUG-PLAY-Early-Alnico-AR3-AR1-Worldwide/183719466339?ssPageName=STRK%3AMEBIDX%3AIT
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Look back at the #1 picture of my 1st post , that the stripey texture on the side of the right speaker look likes to be the korina veneer,( because the missing a piece of paper on both of the speakers , so not sure if the KORINA stamped on both of the missing pieces paper...?) I just checked on 9 speaker with Birch finished and none of them has the stripey texture likes the pair above. As I see all of the 9 Birch finished speaker that has the kind of small spiral texture....