It wasn't an estate auction rather a collection of consignment lots. The only other military piece was a Mk II helmet in horrible shape - I was going to salvage the nut and screw for the liner. It sold for 17 dollars as I recall.
The pins and badges were a collection someone had made up. It consisted of about 60 pins and badges of various sorts, mainly souvenir pins but there were about 16 military items and 14 other military related souvenir pins (Dieppe and Vimy commemorative, Canadian Junior Rangers etc).
Items I placed into my collection include 2 PO1/PO2 cloth bullion cap badges (1950's), Canadian Trained Soldier awards in silver and bronze, Canadian Airborne jump smock badge with red maple leaf. The USA 41st Div shoulder flash and three modern British badges all went into my trader pile.
All this for 32.00, a bit higher than I wanted to pay but well worth it in the end.