The Alvarez F-5 (Japan), c.1970s, f-hole Artist model, golden brown sunburst, carved solid spruce top & finely flamed maple back/sides/neck, triple bound body, single bound neck/phd with truss rod, gold plated tuners & engraved tpce, ebony fbd with pearl ‘block’ inlays, abalone ‘The Alvarez’ phd logo & ‘flowerpot’, adjustable ebony bridge, tortoid pgd, stamped ‘hand made’ inside body and likely made for Alvarez by Ibanez or similar, a professional quality mandolin with rich tone & powerful projection, EC, deluxe OHC.