Although tomorrow's sale also features several Canada geese, decoys are usually ducks, and can be broken down into decorative versus working, and commercially manufactured versus privately handmade.

So should a black duck made by Rhodes Truex of Brigantine. It is listed in Henry A. Fleckenstein's reference book New Jersey Decoys a copy of which also will be auctioned.

One sign of spring is birds flying north. Another sign involves feathered flocks as well: Frank Frank's spring auction of decoys and other sporting collectibles. tomorrow at the Taylor Pavilion in the Monmouth County shore resort of Belmar.

The screen, 5 feet, 7 inches high and 7 1/2 feet wide and dating to approximately 1825, supposedly depicts a birthday party for the bird of paradise, a mythological Chinese symbol, that is being attended by more than 60 other exotic birds.

The screen's travels can be traced back to 1937, when it was seen by an American missionary at the home of the president of the University of Shanghai. Hinman surmises it may have been looted from the palace during the turmoil of China's final days as an empire shortly before World War I.

Other items in the 850 lot auction include a mahogany drop leaf table made around 1780, a New England slant front desk, a 19th century ladies lap desk with gold filigree hinges, and a single consignment of antique locks and keys, some going back to the 15th century.

Of imperial quality. The other ornithological ornamentation is a "bird of paradise" screen believed to have come from the emperor's palace in imperial China. April 6 at the Aetna fire hall in Newark, Del.

The top bird in the sale is a working model bluebill drake made by Keyes Chadwick about 1900 in Martha's Vineyard. It has a presale estimate of $3,000 to $5,000. Ward brothers of Crisfield, Md., should sell for $2,500 to $3,500, according to the catalog. The Ward brothers who actually were barbers sold their decoys to hunters and hunting clubs. This one was owned by Roy Bull, a Virginia oyster farmer whose world famous collection was liquidated and dispersed at an auction in 1983.

It is one of two sales in the next two weeks that feature ornithological ornamentation.

Paintings, carvings, fishing reels and lures are also in the sale. to sale time tomorrow at the pavilion, Ocean and Fifth Avenues. For further information, call 732 938 2988.

Women Canada Goose Camp Down Hooded Jacket Brown Australia Shop

It has been authenticated as of "imperial quality" by a Baltimore appraiser and was valued in 1977 at $75,000, Hinman said yesterday. He hopes to get at least $8,000 for it.

Tomorrow's sale begins with more than a dozen ducks made by the Wildfowler Co. in 1893. These lots are expected to sell for $100 to $200, according to the auction's $20 illustrated catalog.

A black duck made by Clark Women Canada Goose Camp Down Hooded Jacket Brown Australia Shop Madara of Pitman for his own use should sell for $400 to $600. A mallard drake made by Bob White of Tullytown, Pa., and in White's personal rig, according to the catalog entry, is expected to sell for $1,200 to $1,400. Another Bob White decoy, a broadbill drake with its bill nestled under its feathers in a sleeping pose, is expected to sell for $1,500 to $1,800.

A flock of decoys is going on the block