Based on this product's specifications, here are some alternatives and similar models
Invoice Book HERLITZ FAKTURA NETTO 2/3 A4 (Full) O+1K by Michalczyk i Prokop
Summary description:
HERLITZ FAKTURA NETTO 2/3 A4 is a printed invoice book (full format) prepared by Michalczyk i Prokop with layout O+1K. Designed for issuing net invoices on 2/3 A4 sheets, it provides consecutive numbering and pre-printed fields for seller, buyer, item description, quantities, net prices and totals. Suitable for small businesses and sole traders for manual invoicing and record-keeping.