★ Ultra-Rare Vintage Master Pack! Factory-Sealed SONY ED-Beta Metal EL-750A Video Tapes (Full Carton of 10 Tapes) ★ Up for a truly exceptional auction is a holy grail for analog video collectors and Betamax archivists: a complete, original master pack containing ten (10) genuine SONY ED-Beta Metal EL-750A high-definition video cassette tapes. Released around 1991, this lot comes preserved inside its original Sony factory cardboard carton. Every single tape inside is brand new and factory-sealed. This is an incredibly rare opportunity to purchase a time-capsule "deadstock" master pack in pristine condition. Lot Details: Product: SONY ED-Metal EL-750A Video Cassettes Quantity: 10 Tapes (Full original factory box) Release Era: Circa 1991 Condition: Mint condition. The tapes are individually factory-sealed inside the original distributor carton. The outer box is beautifully preserved with clear typography and minimal vintage wear. Key Features: Format: ED-Beta (Extended Definition Betamax). The absolute highest-tier analog consumer/prosumer video recording format, featuring metal particle formulation that achieves a horizontal resolution of over 500 lines. Model: EL-750A (Premium high-capacity tape offering the longest available recording time in the series). For serious collectors, archiving studios, or broadcast museum preservationists, finding a complete 10-pack carton from 1991 that has never been split up is close to impossible today. [PLEASE NOTE - IMPORTANT COMPATIBILITY WARNING] These are ED-Beta Video Cassette Tapes, specifically engineered for high-definition Betamax (ED-Beta) video recorders. They are NOT standard music audio cassette tapes. They are NOT regular standard Betamax tapes. (While the cassette shell size is identical, you must use an ED-Beta compatible VTR deck to fully utilize this premium metal tape formulation). Please verify your hardware compatibility before bidding. Returns due to format misunderstanding cannot be accepted. [International Buyers - Please Note:] Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying. Photos of the actual master box are provided. The carton will be double-boxed and heavily padded to ensure it arrives in its pristine vintage state with tracking and full insurance.