Item: Resulta-BS7 Calculator with Addition/Subtraction. Appears to be a Type C1 which were made some time in the early to mid-50s. It appears to have seen regular use but is in good working order and clean. The letters on the cover is extremely faded. Shipping is based on USPS Medium Flat Rate for USA only ($14).
NOTE: If you live outside the USA and are interested in this item, figure shipping cost for approximately 4 lbs from Zip Code 99224.