These are two "Signal Corp"  vacuum tubes,
type "6SJ7Y" originally tested in 1957.

In original boxes, could be "New-Old-Stock",
but working condition unknown, sold "as-is".

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Buyer pays $8 S&H for USA-48, USPS delivery.

Email Seller for International Shipping Price.

Arizona Buyers must pay 8.6 % Sales Tax.