UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F
FORM 13F COVER PAGE
"Report for the Calendar Year or Quarter Ended December 31, 1999"
Check here if Amendment [ ]; Amendment Number:
This Amendment (Check only one.): [ ] is a restatement.
[ ] adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name: Excalibur Management Corporation
Address: 121 High Street
Boston MA 02110-2447
13F File Number: 28-5354
The institutional investment manager filing this report and the
peron by whom it is signed hereby represent that the person
"signing the report is authorized to submit it, that all"
"information contained herein is true, correct, and complete, and"
"that it is understood that all required items, statements,"
"schedules, lists, and tables, are considered integral parts of"
this form.
Person Signing this Report on Behalf of Reporting Manager:
Name: Michael A. Delduchetto
Title: President
Phone: 617-451-6707
"Signature, Place, and Date of Signing:"
" Michael A. Delduchetto Boston, Massachusetts January 27, 2000"
Report Type (Check only one.):
[X] 13F HOLDINGS REPORT.
[ ] 13F NOTICE.
[ ] 13F COMBINATION REPORT.
List of Other Managers Reporting for this Manager:
none
I AM SIGNING THIS REPORT AS REQUIRED BY THE SECURITIES EXCHANGE
ACT OF 1934.
<PAGE>
FORM 13F SUMMARY PAGE
Report Summary:
Number of Other Included Managers: 0
Form 13F Information Table Entry Total: 78
"Form 13F Information Table Value Total: $181,989,000"
List of Other Included Managers:
none
<PAGE>
Voting Authority
--------------------------
Value Shares/ Sh/ Put/ Invstmt Other
Name of Issuer Title of class CUSIP (x$1000) Prn Amt Prn Call Dscretn
Managers Sole Shared None
- ------------------------------ ---------------- --------- -------- ----
- ---- --- ---- ------- ------------ -------- -------- --------
ABBOTT LABORATORIES COM 002824100 545 15000 SH Sole 15000
ALLSTATE CORP. COM 020002101 233 9700 SH Sole 9700
AMERICAN EXPRESS COMPANY COM 025816109 781 4700 SH Sole 4700
AMERICAN HOME PRODUCTS COM 026609107 1375 35040 SH Sole 35040
AMERICAN INTERNATIONAL GROUP COM 026874107 3716 34365 SH Sole 34365
AMERICAN ONLINE INC COM 02364J104 516 6800 SH Sole 6800
AT&T CORP COM 001957109 2027 39886 SH Sole 39886
AVITAR INC COM 053801106 95 32500 SH Sole 32500
BANK OF NEW YORK CO. INC. COM 064057102 836 20900 SH Sole 20900
BELL ATLANTIC COM 077853109 3292 53467 SH Sole 53467
BELLSOUTH COM 079860102 1002 21396 SH Sole 21396
BERKSHIRE HATHAWAY INC-CL B COM 084670207 2395 1309 SH Sole 1309
BP AMOCO PLC - SPONS ADR COM 055622104 1707 28772.78 SH Sole 28772.78
BRISTOL-MYERS SQUIBB CO. COM 110122108 4910 76500 SH Sole 76500
BRITISH TELECOM PLC- SPON ADR COM 111021408 214 900 SH Sole 900
CARLISLE COMPANIES COM 142339100 252 7000 SH Sole 7000
CISCO SYSTEMS COM 17275R102 8925 83310 SH Sole 83310
CITIGROUP INC COM 172967101 2715 48746 SH Sole 48746
COCA COLA COMPANY COM 191216100 1717 29477 SH Sole 29477
COMPUTER SCIENCES CORP COM 205363104 2243 23700 SH Sole 23700
CONOCO INC - CL B COM 208251405 1160 46616 SH Sole 46616
DELL COMPUTER CORP COM 247025109 1387 27200 SH Sole 27200
DUPONT (E.I.) DE NEMOURS & CO. COM 263534109 15119 229513 SH Sole 229513
EASTMAN KODAK COM 277461109 287 4325 SH Sole 4325
ELI LILLY COMPANY COM 532457108 621 9332 SH Sole 9332
EMC CORP MASS COM 268648102 17524 160400 SH Sole 160400
EMERSON ELECTRIC COMPANY COM 291011104 292 5090 SH Sole 5090
EXXON MOBIL CORP COM 30231g102 3135 38912 SH Sole 38912
FEDERAL NATIONAL MORTGAGE ASSO COM 313586109 1495 23950 SH Sole 23950
FIRST DATA CORP COM 319963104 819 16600 SH Sole 16600
FIRST NATL LINCOLN CP/ME COM 335716106 590 35200 SH Sole 35200
FIRST UNION CORP COM 337358105 911 27656 SH Sole 27656
GANNETT, INC. COM 364730101 612 7500 SH Sole 7500
GENERAL ELECTRIC COM 369604103 19035 123003 SH Sole 123003
GILLETTE CO. COM 375766102 988 23988 SH Sole 23988
GOLDMAN SACHS COM 38141g104 1413 15000 SH Sole 15000
GTE CORP COM 362320103 3186 45151 SH Sole 45151
HERCULES INC COM 427056106 278 9984 SH Sole 9984
HOME DEPOT, INC. COM 437076102 3691 53694 SH Sole 53694
IMS HEALTH INC COM 449934108 1359 50000.28 SH Sole 50000.28
INTEL CORP. COM 458140100 905 11000 SH Sole 11000
INTERNATIONAL BUSINESS MACHINE COM 459200101 3777 35010 SH Sole 35010
INTERPUBLIC GROUP COS INC COM 460690100 623 10800 SH Sole 10800
JOHNSON & JOHNSON COM 478160104 2527 27100 SH Sole 27100
LUCENT TECHNOLOGIES COM 549463107 3901 52011 SH Sole 52011
MCI WORLDCOM INC COM 55268b106 983 18525 SH Sole 18525
MERCK & COMPANY COM 589331107 10410 154935 SH Sole 154935
MICROSOFT COM 594918104 4257 36464 SH Sole 36464
MINNESOTA MINING & MFG. COM 604059105 1676 17120 SH Sole 17120
MORGAN J. P. & CO. COM 616880100 402 3175 SH Sole 3175
"MORGAN STANLEY, DEAN WITTER, D" COM 617446448 949 6650 SH Sole 6650
NEWTON FINANCIAL CORP COM 652772104 244 8400 SH Sole 8400
PEPSICO COM 713448108 1935 54900 SH Sole 54900
PFIZER COM 717081103 1731 53350 SH Sole 53350
PNC BANK COM 693475105 439 9860 SH Sole 9860
PROCTER & GAMBLE COM 742718109 4843 44200 SH Sole 44200
REALNETWORKS INC. COM 75605l104 584 4850 SH Sole 4850
ROYAL DUTCH PETE NY 5 GUILDR COM 780257804 242 4000 SH Sole 4000
RSA SECURITY INC COM 749719100 387 5000 SH Sole 5000
"SBC COMMUNICATIONS, INC." COM 78387G103 4270 87596 SH Sole 87596
SCHERING-PLOUGH CORP. COM 806605101 856 20200 SH Sole 20200
SCHLUMBERGER LTD COM 806857108 396 7060 SH Sole 7060
STANDARD & POOR'S DEPOSITARY R COM 78462f103 734 5000 SH Sole 5000
STATE STREET CORP COM COM 857477103 1702 23300 SH Sole 23300
SUMMIT BANCORP COM 866005101 243 7920 SH Sole 7920
SUN MICROSYSTEMS COM 866810104 310 4000 SH Sole 4000
SYSTEMSOFT CORP COM 871926101 4 47000 SH Sole 47000
TRANSATLANTIC HOLDINGS INC. COM 893521104 410 5250 SH Sole 5250
TRIBUNE COMPANY COM 896047107 220 4000 SH Sole 4000
UNITED TECHNOLOGIES CORP. COM 913017109 936 14400 SH Sole 14400
US WEST INC (NEW)COMMON COM 91273H101 3301 45844 SH Sole 45844
VALLEY NATIONAL BANCORP COM 919794107 347 12402 SH Sole 12402
VODAFONE GROUP PLC ADR COM 92857T107 8722 176200 SH Sole 176200
WACHOVIA CORP COM 929771103 653 9600 SH Sole 9600
WARNER LAMBERT COM 934488107 1484 18107 SH Sole 18107
WASHINGTON POST B COM 939640108 256 460 SH Sole 460
WILMINGTON TRUST CORPORATION COM 971807102 2557 53000 SH Sole 53000
VANGUARD INDEX 500 FUND MF 922908108 379 2797.432 SH Sole 2797.432
REPORT SUMMARY 78 DATA RECORDS 181989 0 OTHER MANAGERS ON WHOSE BEHALF
REPORT IS FILED
