WASHINGTON - Bonds from mid-1980s black box and collapsible escrow deals that have been or may be declared taxable by the Internal Revenue Service are trading at a premium because their coupons are high compared with today's rates, traders said this week.

The coupons on many of those deals ranged from 6.75% to 8.00% when they were first issued or remarketed to public investors in 1985 and 1986, the traders said. That compares with yields this week of 3.40% to 3.75% for taxable securities with comparable maturities, they said.

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