AMPAD VTG Efficiency Rent Receipts in triplicate with carbon bundle of 4 (OLCC)

Bundle of 4 books of Rent Receipts in triplicate with carbon sheets attached at the end of the pages. Each book has 4 receipts per page. Date line set up for 1900’s but easily write 2022 in there. Binder/book cover is dark green, white sheet original, 1 yellow and 1 pink copy. Nice thick perforated lines for easy tearing. Not used