early ancient Chinese abacus 8rod 2/5 beads

I have the real Chinesenearly Suan pan abacus has wording and figures and 3 red Chinese traditional marks two are I'm red circle and 1 is in rectangle . I don't know what it's meaning but I can't find one similar anywhere only information found is all in books and.myth dating back to dynasties era but most evidence of the time was destroy and this item has been pass down to me by my great great grandma which was pas down from her family generation. I would like to know more about this and its value it has been framed in a square wooden frame with a scroll written in Chinese traditional also in columns going down starting from the far right side of the scroll

Poor