Listed here is an US Air Force Aeronautical Systems Division Emblem Crest Badge Insignia Large Sized Full Color Patch which is now rare and obsolete.  This patch is old new stock and was never issued or used and is still in outstanding condition for its age.  The patch measures 3 3/4 inches at it greatest width x 4 inches at its greatest height or 9.5 centimeters x 10 centimeters.  This patch would have been worn by members of this office from 1961 to 1992 when this unit was redesignated as the Aeronautical Systems Center.  This particular patch like to be dated from the 1980s until 1992 when the organization changed its name.  It is very rare to find this office's patches since these items would have been manufactured and used for only 10 years and are now obsolete.  This patch would make a great and rare addition to any militaria collection.  This patch was found in my travels and is now being brought to the wide world with this eBay listing.  Please feel free to contact me if you have further questions and/or want more photos of these items.  Please note that the cost of shipping is included total sales price of the item for the USA and willing to give a shipping discount if multiple items are purchased at the same time for both domestic and international shipping.  Please note that you must pay extra to ship to international address.  If you purchase multiple items in one transaction, please wait for the seller to issue an invoice with a discounted shipping price and/or discounted rate per item as agreed between the seller and buyer.  The seller is more than happy to give discounts if multiple items are sold in one transaction-just contact the seller and we can possibly work out a deal that would be advantages for both parties.  Enjoy!  Check out my other items!  Be sure to add me to your favorites list!