Postal Service, for just 20 cents.

(The price rose to 22 cents in February of that year.)

It’s $9.16, well above the inflation-adjusted 1985 price of $8.65.

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In retrospect, you got a bargain, because vinyl is back in vogue.

A copy of Pink Floyd’sDark Side of the Moonwill set you back $26.33 at Amazon.com.

Today most bands get a pittance from streaming music and make their money on the road.

Vintage mobile phone from 1980s

The average concert ticket for a big-name act costs $91.86.

Toy Fair at the Sydney Showground.The 20th International Toy Traid Fair at the Showground.Toys from the General Mills display

Postage stamp commemorating the 10th Pan American Games. The games took place August 7-25, 1987

Reclining theater seats with pivoting dining trays are among the amenities in AMC’s Dine-In Theatre at Block 37 in downtown Chicago.

Vinyl record fair DC

Singer Tom Petty performs onstage to an enthusiastic crowd in a 1980 concert at the Civic Auditorium in Santa Cruz, California.