Vintage Bayko Set No. 4 Instruction & Plans Booklet (January 1957, Plimpton Eng.)

Up for sale is an authentic, original vintage Bayko Instructions and Plans Booklet for Set No. 4. This manual includes building blueprints and parts lists for the flagship Outfit 4, as well as backward-compatible plans for smaller models like Building Set No. 3.Exact Publication & Date DetailsManufacturer: Plimpton Engineering Company, Limited (Liverpool 1, England)Print Code: Ref. 11 1/57 20M. 3rd Issue.Exact Date: January 1957 (Pre-Meccano era)Edition: 3rd Post-War Issue (Limited batch run of 20,000 copies)Condition ReportSpine & Binding: Strong and completely intact. The original metal staples are firmly holding the booklet together with minimal aging/rust and zero structural tearing around the staple holes.Internal Pages: Excellent condition. Clean, bright, crisp pages featuring the iconic red and green architectural plan diagrams. Fully legible with no heavy stains, missing pages, or internal ink doodles.Covers: Good vintage condition. Light authentic corner wear and minor surface creasing consistent with careful historic handling.A highly collectible piece of British toy history, perfect for completing an unboxed or piecemeal 1950s Plimpton Bayko architectural kit.