Question: Where can I find updated prices for limited edition plates? I paid enormous prices for them in the 1960s but now cannot find a book listing their current values.

-Mrs. Orin J. Wilcox,Cridersville, Ohio

Answer: The "1998 Collector's Price Guide to Limited Edition Collectibles," edited by Mary Sieber (Krause Publications; 715-445-2214) lists collector plates and prices, and also lists current values for limited edition figurines, cottages, dolls, ornaments, prints, steins and bells. It is available for $21.20 postpaid from Ace Enterprises, P.O. Box 59354, Chicago, IL 60659.

Another good book that covers plates and all other limited editions, and which contains chapters on manufacturers and artists, and lists collector clubs and other sources, is the "Collector's Information Bureau Collectibles Market Guide & Price Index" (Collectors Information Bureau; 847-842-2200). It is available for $27.95 postpaid from Ace Enterprises, P.O. Box 59354, Chicago, IL 60659.

Question: My grandson collects baseball caps but has been unable to find the 1997 Marlins World Championship cap and is blue as a blue marlin. I've tried all over Naples, Fla., to no avail, and I haven't a clue where to write or call in Miami. Can you help me?

-Ruth Azman, Naples, Fla.

Answer: Any Marlin fans or other readers of this column who have such a cap or may know where to get one, can write me to be put in touch with you. Or write The National Cap Association (whose members collect baseball-style caps with logos on them) c/o Gene Dittman, 2503 Co. Highway G, Emerald, WI 54012-8127, or phone him at 715-269-7407 for membership/newsletter information should your grandson wish to join.

Question: I've taken an interest in toy motorcycles and recently started to collect them. How can I find out more about them, and where can I find examples?

-Chuck Johnson, York, Pa.

Answer: Hundreds of antique and contemporary toy motorcycles and related items can be found pictured, described and priced in "Motorcycle Toys - Antique and Contemporary - Identification & Values," by Sally Gibson-Downs and Christine Gentry (Collector Books; 502-898-6211). It is available for $21.95 postpaid from Ace Enterprises, P.O. Box 59354, Chicago, IL 60659.

Question: How can I find out the value of commemorative rifles and other firearms?

- Bob Thomas, Houston

Answer: Prices for commemoratives have shot up tremendously in value, and such firearms can be found listed and described - along with their original and current prices - in the new "Official Price Guide To Gun Collecting," by R.L. Wilson (HC; 212-751-2600). It is available for $22.95 postpaid from Ace Enterprises, P.O. Box 59354, Chicago, IL 60659. The book also contains information on gun makers, and lists gun sources, and worldwide arms collectors' organizations.

Question: How can we find out if old 78 rpm blues, jazz and big band records dating from the 1940's and before, have any value?

- Carl Phillips, Houston

Question: How can I find out the value of 78 rpm records dating from the 1950s?

-Vera Decker,

Sun City West, Ariz.

Answer: Such 78 rpm records (including jazz, big bands, dance bands, personality, pop and ragtime dating from 1900 to 1950; blues, rhythm & blues, country/western and oldtime playing and singing from the 1920s to the early 1950s; and rhythm & blues, rock 'n roll, rockabilly, and blues from the 1950s through early 1960s) can be found listed with their current values in the fifth edition of the "American Premium Record Guide, 1900-1965 - Identification and Value Guide To 78s, 45s and LPs," by Les Docks (Krause Publications; 715-445-2214). It is available for $28.95 postpaid from Ace Enterprises, P.O. Box 59354, Chicago, IL 60659.

The book also contains invaluable record-related information, and photos of 1,750 record labels in alphabetical order with the years from when they date, which in turn dates the records listed on such labels.

Question: Where can I obtain information on, and values for, AVON President Club awards such as pins, plates, dolls, jewelry, etc.?

- Loretta Pittman,

Thief River Falls, MN

Question: I have many AVON collectibles. How can I find out their worth, should I wish to sell them? Is there a catalog or book that lists such information?

-Rita Murtha,

Richfield Springs, N.Y.

Answer: All types of AVON items - including AVON President Club Awards, Albee & Lady Doll Awards, and numerous other AVON awards and representitives gifts, as well as AVON bottles, decanters, figurines, dolls, toys and countless products and collectibles - can be found pictured, described, dated and priced in the 14th edition of the "AVON Products & California Perfume Co. Collector's Encyclopedia - AVON and CPC Products, 1886 To Present" by Bud Hastin; (Collector Books; 502-898-6211). It is available for $26.20 postpaid from Ace Enterprises, P.O. Box 59354, Chicago, IL 60659.