Three 1970s and 1980s Nigeria covers inc 2 aerogrammes [L.214]

Description

Nice group of 3 Nigeria items, including two aerogrammes to the UK (one uprated with additional stamps) and the other with a 2n stamp showing technical education.  Aerogrammes have hand-written correspondence (regarding educational matters).  Interesting group.
Your satisfaction is guaranteed. APS member since 1992 and ebay seller since 1996.  I am an accredited APS dealer member (Matthew Liebson, PaperHistory LLC).  This material is from a collection formed by well-known postal historian and author Ken Lawrence.  See additional auctions under IDs paperhistory and budgetcoverbox.  Please consider joining the American Philatelic Society!
Ohio customers pay 8% sales tax.
I combine shipping on won items but please aggregate things and pay in a single payment to save multiple paypal payments.
domestic shipping for this item/ international for items under .   30- (or over international) I will use a cardboard mailer for domestic.  Over , shipping is and tracking is included for domestic.  I use at least one current stamp on virtually all outgoing mail.  If you'd like tracking or the cardboard mailer on a less expensive item, or upgraded shipping (priority, express, extra insurance, etc.) on an expensive item, please let me know and I will invoice you for the additional cost.
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