Your glove is a good quality model. There is leather piping and a cloth patch, both signs of more time and material being put into the glove. A laced heel and not sewn would be an upgrade in quality. A larger size model would be an upgrade over a smaller size youth model. Your glove appears to be an adult model. i think it was a good find. See if there is a model number at the heel in front and any endorsement on the pinky side of the heel. Try to locate a copy of the "Vintage Baseball Glove Catalog Source Book" from Joe Phillips at
http://stores.ebay.com/thebaseballglovecollector The Source Book has all the info on glove brands taken from original equipment catalogs over the years. It is indispensable. Jim Daniels web site,
http://www.baseballglovecollector.com is also indispensable in picturing collectors gloves and its library of PDF downloads. There is a glove just like yours in the Nokona section, the G10 "Larry Gilbert" model. Check it out.